22455503531 has 8 divisors (see below), whose sum is σ = 22600547424. Its totient is φ = 22310585920.

The previous prime is 22455503519. The next prime is 22455503557. The reversal of 22455503531 is 13530555422.

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-22455503531 is a prime.

It is a super-2 number, since 2×22455503531² (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 = 22455503491 and 22455503500.

It is not an unprimeable number, because it can be changed into a prime (22455503431) 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, 339191 + ... + 399951.

It is an arithmetic number, because the mean of its divisors is an integer number (2825068428).

Almost surely, 2^22455503531 is an apocalyptic number.

22455503531 is a deficient number, since it is larger than the sum of its proper divisors (145043893).

22455503531 is a wasteful number, since it uses less digits than its factorization.

22455503531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63141.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 22455503531 in words is "twenty-two billion, four hundred fifty-five million, five hundred three thousand, five hundred thirty-one".