61228301922 has 30 divisors (see below), whose sum is σ = 137203808049. Its totient is φ = 20408384160.

The previous prime is 61228301917. The next prime is 61228301941. The reversal of 61228301922 is 22910382216.

It is a happy number.

61228301922 is a `hidden beast` number, since 612 + 2 + 8 + 3 + 0 + 19 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56449483281 + 4778818641 = 237591^2 + 69129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=174969.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3139722 + ... + 3159162.

Almost surely, 2^61228301922 is an apocalyptic number.

61228301922 is an abundant number, since it is smaller than the sum of its proper divisors (75975506127).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61228301922 is an frugal number, since it uses more digits than its factorization.

61228301922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38896 (or 19446 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 61228301922 in words is "sixty-one billion, two hundred twenty-eight million, three hundred one thousand, nine hundred twenty-two".