22530529451 has 8 divisors (see below), whose sum is σ = 23513310720. Its totient is φ = 21548014312.

The previous prime is 22530529429. The next prime is 22530529457. The reversal of 22530529451 is 15492503522.

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-22530529451 is a prime.

It is a super-2 number, since 2×22530529451² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530529457) 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, 117320 + ... + 242538.

It is an arithmetic number, because the mean of its divisors is an integer number (2939163840).

Almost surely, 2^22530529451 is an apocalyptic number.

22530529451 is a deficient number, since it is larger than the sum of its proper divisors (982781269).

22530529451 is a wasteful number, since it uses less digits than its factorization.

22530529451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133065.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 22530529451 in words is "twenty-two billion, five hundred thirty million, five hundred twenty-nine thousand, four hundred fifty-one".