1022222201 has 32 divisors (see below), whose sum is σ = 1395077376. Its totient is φ = 723168000.

The previous prime is 1022222147. The next prime is 1022222203.

1022222201 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1022222201 - 2¹⁴ = 1022205817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022222203) 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, 52691 + ... + 69431.

It is an arithmetic number, because the mean of its divisors is an integer number (43596168).

Almost surely, 2^1022222201 is an apocalyptic number.

1022222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022222201 is a deficient number, since it is larger than the sum of its proper divisors (372855175).

1022222201 is a wasteful number, since it uses less digits than its factorization.

1022222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16833.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022222201 is about 31972.2098235327. The cubic root of 1022222201 is about 1007.3531982804.

It can be divided in two parts, 10222 and 22201, that added together give a palindrome (32423).

The spelling of 1022222201 in words is "one billion, twenty-two million, two hundred twenty-two thousand, two hundred one".