61256240222 has 4 divisors (see below), whose sum is σ = 91884360336. Its totient is φ = 30628120110.

The previous prime is 61256240209. The next prime is 61256240231. The reversal of 61256240222 is 22204265216.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×61256240222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15314060054 + ... + 15314060057.

It is an arithmetic number, because the mean of its divisors is an integer number (22971090084).

Almost surely, 2^61256240222 is an apocalyptic number.

61256240222 is a deficient number, since it is larger than the sum of its proper divisors (30628120114).

61256240222 is a wasteful number, since it uses less digits than its factorization.

61256240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30628120113.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 61256240222 in words is "sixty-one billion, two hundred fifty-six million, two hundred forty thousand, two hundred twenty-two".