22277055025 has 9 divisors (see below), whose sum is σ = 27624473643. Its totient is φ = 17821047000.

The previous prime is 22277054993. The next prime is 22277055089. The reversal of 22277055025 is 52055077222.

The square root of 22277055025 is 149255.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8019739809 + 14257315216 = 89553^2 + 119404^2 .

It is not a de Polignac number, because 22277055025 - 2⁵ = 22277054993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 731350 + ... + 761200.

Almost surely, 2^22277055025 is an apocalyptic number.

22277055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22277055025 is the 149255-th square number.

22277055025 is the 74628-th centered octagonal number.

It is an amenable number.

22277055025 is a deficient number, since it is larger than the sum of its proper divisors (5347418618).

22277055025 is an frugal number, since it uses more digits than its factorization.

22277055025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59712 (or 29856 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The spelling of 22277055025 in words is "twenty-two billion, two hundred seventy-seven million, fifty-five thousand, twenty-five".