61442922 has 32 divisors (see below), whose sum is σ = 129798720. Its totient is φ = 19390032.

The previous prime is 61442911. The next prime is 61442923. The reversal of 61442922 is 22924416.

It is a self number, because there is not a number n which added to its sum of digits gives 61442922.

It is not an unprimeable number, because it can be changed into a prime (61442923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40408 + ... + 41900.

It is an arithmetic number, because the mean of its divisors is an integer number (4056210).

Almost surely, 2^61442922 is an apocalyptic number.

61442922 is an abundant number, since it is smaller than the sum of its proper divisors (68355798).

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

61442922 is a wasteful number, since it uses less digits than its factorization.

61442922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1517 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 61442922 is about 7838.5535655502. The cubic root of 61442922 is about 394.6001872379.

The spelling of 61442922 in words is "sixty-one million, four hundred forty-two thousand, nine hundred twenty-two".