2244440121 has 32 divisors (see below), whose sum is σ = 3740083200. Its totient is φ = 1163110080.

The previous prime is 2244440117. The next prime is 2244440171. The reversal of 2244440121 is 1210444422.

It is not a de Polignac number, because 2244440121 - 2² = 2244440117 is a prime.

It is a super-2 number, since 2×2244440121² = 10075022913508989282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2244440091 and 2244440100.

It is not an unprimeable number, because it can be changed into a prime (2244440111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85195 + ... + 108383.

It is an arithmetic number, because the mean of its divisors is an integer number (116877600).

Almost surely, 2^2244440121 is an apocalyptic number.

2244440121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2244440121 is a deficient number, since it is larger than the sum of its proper divisors (1495643079).

2244440121 is a wasteful number, since it uses less digits than its factorization.

2244440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23629.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2244440121 is about 47375.5223823442. The cubic root of 2244440121 is about 1309.2904731433.

Adding to 2244440121 its reverse (1210444422), we get a palindrome (3454884543).

It can be divided in two parts, 22444401 and 21, that added together give a palindrome (22444422).

The spelling of 2244440121 in words is "two billion, two hundred forty-four million, four hundred forty thousand, one hundred twenty-one".