22404342031 has 4 divisors (see below), whose sum is σ = 22408605864. Its totient is φ = 22400078200.

The previous prime is 22404342017. The next prime is 22404342053. The reversal of 22404342031 is 13024340422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22404342031 - 2⁷ = 22404341903 is a prime.

It is a super-2 number, since 2×22404342031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22404341987 and 22404342005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404342011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124025 + ... + 2134546.

It is an arithmetic number, because the mean of its divisors is an integer number (5602151466).

Almost surely, 2^22404342031 is an apocalyptic number.

22404342031 is a deficient number, since it is larger than the sum of its proper divisors (4263833).

22404342031 is an equidigital number, since it uses as much as digits as its factorization.

22404342031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263832.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22404342031 its reverse (13024340422), we get a palindrome (35428682453).

The spelling of 22404342031 in words is "twenty-two billion, four hundred four million, three hundred forty-two thousand, thirty-one".