22400441031 has 4 divisors (see below), whose sum is σ = 29867254712. Its totient is φ = 14933627352.

The previous prime is 22400441009. The next prime is 22400441057. The reversal of 22400441031 is 13014400422.

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

It is not a de Polignac number, because 22400441031 - 2⁷ = 22400440903 is a prime.

It is a super-2 number, since 2×22400441031² (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 = 22400440989 and 22400441007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400441431) 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, 3733406836 + ... + 3733406841.

It is an arithmetic number, because the mean of its divisors is an integer number (7466813678).

Almost surely, 2^22400441031 is an apocalyptic number.

22400441031 is a deficient number, since it is larger than the sum of its proper divisors (7466813681).

22400441031 is an equidigital number, since it uses as much as digits as its factorization.

22400441031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466813680.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22400441031 its reverse (13014400422), we get a palindrome (35414841453).

The spelling of 22400441031 in words is "twenty-two billion, four hundred million, four hundred forty-one thousand, thirty-one".