22648531431 has 8 divisors (see below), whose sum is σ = 30218830960. Its totient is φ = 15088626432.

The previous prime is 22648531417. The next prime is 22648531441. The reversal of 22648531431 is 13413584622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22648531431 - 2¹¹ = 22648529383 is a prime.

It is a super-2 number, since 2×22648531431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22648531431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22648531441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2593546 + ... + 2602263.

It is an arithmetic number, because the mean of its divisors is an integer number (3777353870).

Almost surely, 2^22648531431 is an apocalyptic number.

22648531431 is a deficient number, since it is larger than the sum of its proper divisors (7570299529).

22648531431 is a wasteful number, since it uses less digits than its factorization.

22648531431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197265.

The product of its digits is 138240, while the sum is 39.

The spelling of 22648531431 in words is "twenty-two billion, six hundred forty-eight million, five hundred thirty-one thousand, four hundred thirty-one".