22401123 has 8 divisors (see below), whose sum is σ = 29906448. Its totient is φ = 14914944.

The previous prime is 22401109. The next prime is 22401143. The reversal of 22401123 is 32110422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22401123 - 2¹² = 22397027 is a prime.

It is a super-2 number, since 2×22401123² = 1003620623322258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22401143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (3738306).

Almost surely, 2^22401123 is an apocalyptic number.

22401123 is a deficient number, since it is larger than the sum of its proper divisors (7505325).

22401123 is an equidigital number, since it uses as much as digits as its factorization.

22401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22401123 is about 4732.9824635213. The cubic root of 22401123 is about 281.8966599875.

Adding to 22401123 its reverse (32110422), we get a palindrome (54511545).

The spelling of 22401123 in words is "twenty-two million, four hundred one thousand, one hundred twenty-three".