22016512401025 has 6 divisors (see below), whose sum is σ = 27300475377302. Its totient is φ = 17613209920800.

The previous prime is 22016512401019. The next prime is 22016512401109. The reversal of 22016512401025 is 52010421561022.

It can be written as a sum of positive squares in 3 ways, for example, as 298461171856 + 21718051229169 = 546316^2 + 4660263^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22016512401025 is a prime.

It is a super-2 number, since 2×22016512401025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 440330247996 + ... + 440330248045.

Almost surely, 2^{22016512401025} is an apocalyptic number.

22016512401025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22016512401025 is a deficient number, since it is larger than the sum of its proper divisors (5283962976277).

22016512401025 is an equidigital number, since it uses as much as digits as its factorization.

22016512401025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880660496051 (or 880660496046 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 22016512401025 its reverse (52010421561022), we get a palindrome (74026933962047).

The spelling of 22016512401025 in words is "twenty-two trillion, sixteen billion, five hundred twelve million, four hundred one thousand, twenty-five".