61025922224281 has 9 divisors (see below), whose sum is σ = 70989401708949. Its totient is φ = 52307886463644.

The previous prime is 61025922224269. The next prime is 61025922224291. The reversal of 61025922224281 is 18242222952016.

The square root of 61025922224281 is 7811909.

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

It is not a de Polignac number, because 61025922224281 - 2⁵ = 61025922224249 is a prime.

It is a super-2 number, since 2×61025922224281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61025922224291) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54125370 + ... + 55241356.

Almost surely, 2^{61025922224281} is an apocalyptic number.

61025922224281 is the 7811909-th square number.

61025922224281 is the 3905955-th centered octagonal number.

It is an amenable number.

61025922224281 is a deficient number, since it is larger than the sum of its proper divisors (9963479484668).

61025922224281 is an frugal number, since it uses more digits than its factorization.

61025922224281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231988 (or 1115994 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 61025922224281 in words is "sixty-one trillion, twenty-five billion, nine hundred twenty-two million, two hundred twenty-four thousand, two hundred eighty-one".