22215031532451 has 6 divisors (see below), whose sum is σ = 32088378880220. Its totient is φ = 14810021021628.

The previous prime is 22215031532429. The next prime is 22215031532459. The reversal of 22215031532451 is 15423513051222.

22215031532451 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 50 + 3 + 153 + 2 + 451 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22215031532451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22215031532459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1234168418461 + ... + 1234168418478.

Almost surely, 2^{22215031532451} is an apocalyptic number.

22215031532451 is a deficient number, since it is larger than the sum of its proper divisors (9873347347769).

22215031532451 is a wasteful number, since it uses less digits than its factorization.

22215031532451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468336836945 (or 2468336836942 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 22215031532451 its reverse (15423513051222), we get a palindrome (37638544583673).

The spelling of 22215031532451 in words is "twenty-two trillion, two hundred fifteen billion, thirty-one million, five hundred thirty-two thousand, four hundred fifty-one".