22001054152025 has 24 divisors (see below), whose sum is σ = 30392968189080. Its totient is φ = 15686693245440.

The previous prime is 22001054151971. The next prime is 22001054152061. The reversal of 22001054152025 is 52025145010022.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 5693058036169 + 16307996115856 = 2386013^2 + 4038316^2 .

It is not a de Polignac number, because 22001054152025 - 2¹² = 22001054147929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1167155252 + ... + 1167174101.

It is an arithmetic number, because the mean of its divisors is an integer number (1266373674545).

Almost surely, 2^{22001054152025} is an apocalyptic number.

22001054152025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22001054152025 is a deficient number, since it is larger than the sum of its proper divisors (8391914037055).

22001054152025 is a wasteful number, since it uses less digits than its factorization.

22001054152025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334329405 (or 2334329400 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 22001054152025 its reverse (52025145010022), we get a palindrome (74026199162047).

The spelling of 22001054152025 in words is "twenty-two trillion, one billion, fifty-four million, one hundred fifty-two thousand, twenty-five".