22241051531 has 8 divisors (see below), whose sum is σ = 22796509584. Its totient is φ = 21692167200.

The previous prime is 22241051473. The next prime is 22241051549. The reversal of 22241051531 is 13515014222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22241051531 is a prime.

It is a super-2 number, since 2×22241051531² (a number of 21 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 22241051531.

It is not an unprimeable number, because it can be changed into a prime (22241051731) 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, 1636580 + ... + 1650113.

It is an arithmetic number, because the mean of its divisors is an integer number (2849563698).

Almost surely, 2^22241051531 is an apocalyptic number.

22241051531 is a deficient number, since it is larger than the sum of its proper divisors (555458053).

22241051531 is a wasteful number, since it uses less digits than its factorization.

22241051531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286861.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 22241051531 its reverse (13515014222), we get a palindrome (35756065753).

The spelling of 22241051531 in words is "twenty-two billion, two hundred forty-one million, fifty-one thousand, five hundred thirty-one".