22404223401 has 12 divisors (see below), whose sum is σ = 34749407952. Its totient is φ = 12802413288.

The previous prime is 22404223399. The next prime is 22404223447. The reversal of 22404223401 is 10432240422.

It is not a de Polignac number, because 22404223401 - 2¹ = 22404223399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22404223451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76204695 + ... + 76204988.

It is an arithmetic number, because the mean of its divisors is an integer number (2895783996).

Almost surely, 2^22404223401 is an apocalyptic number.

22404223401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22404223401 is a deficient number, since it is larger than the sum of its proper divisors (12345184551).

22404223401 is a wasteful number, since it uses less digits than its factorization.

22404223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152409700 (or 152409693 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22404223401 its reverse (10432240422), we get a palindrome (32836463823).

The spelling of 22404223401 in words is "twenty-two billion, four hundred four million, two hundred twenty-three thousand, four hundred one".