2272390428025 has 9 divisors (see below), whose sum is σ = 2817773476941. Its totient is φ = 1817906312640.

The previous prime is 2272390428001. The next prime is 2272390428031. The reversal of 2272390428025 is 5208240932722.

The square root of 2272390428025 is 1507445.

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

It can be written as a sum of positive squares in 4 ways, for example, as 480743929449 + 1791646498576 = 693357^2 + 1338524^2 .

It is not a de Polignac number, because 2272390428025 - 2⁷ = 2272390427897 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, 7386481 + ... + 7687969.

Almost surely, 2^{2272390428025} is an apocalyptic number.

2272390428025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2272390428025 is the 1507445-th square number.

2272390428025 is the 753723-rd centered octagonal number.

It is an amenable number.

2272390428025 is a deficient number, since it is larger than the sum of its proper divisors (545383048916).

2272390428025 is an frugal number, since it uses more digits than its factorization.

2272390428025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602988 (or 301494 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 2272390428025 in words is "two trillion, two hundred seventy-two billion, three hundred ninety million, four hundred twenty-eight thousand, twenty-five".