22345002031 has 16 divisors (see below), whose sum is σ = 24805779840. Its totient is φ = 19957402080.

The previous prime is 22345001971. The next prime is 22345002059. The reversal of 22345002031 is 13020054322.

It is not a de Polignac number, because 22345002031 - 2⁹ = 22345001519 is a prime.

It is a super-2 number, since 2×22345002031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22345001993 and 22345002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22345002431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239325 + ... + 319321.

It is an arithmetic number, because the mean of its divisors is an integer number (1550361240).

Almost surely, 2^22345002031 is an apocalyptic number.

22345002031 is a deficient number, since it is larger than the sum of its proper divisors (2460777809).

22345002031 is a wasteful number, since it uses less digits than its factorization.

22345002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80454.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 22345002031 its reverse (13020054322), we get a palindrome (35365056353).

The spelling of 22345002031 in words is "twenty-two billion, three hundred forty-five million, two thousand, thirty-one".