22402240031 has 4 divisors (see below), whose sum is σ = 22410789864. Its totient is φ = 22393690200.

The previous prime is 22402240013. The next prime is 22402240033. The reversal of 22402240031 is 13004220422.

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 22402240031 - 2⁶ = 22402239967 is a prime.

It is a super-2 number, since 2×22402240031² (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 = 22402239985 and 22402240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402240033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270985 + ... + 4276226.

It is an arithmetic number, because the mean of its divisors is an integer number (5602697466).

Almost surely, 2^22402240031 is an apocalyptic number.

22402240031 is a deficient number, since it is larger than the sum of its proper divisors (8549833).

22402240031 is an equidigital number, since it uses as much as digits as its factorization.

22402240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549832.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22402240031 its reverse (13004220422), we get a palindrome (35406460453).

The spelling of 22402240031 in words is "twenty-two billion, four hundred two million, two hundred forty thousand, thirty-one".