61277022 has 12 divisors (see below), whose sum is σ = 132766920. Its totient is φ = 20425668.

The previous prime is 61277017. The next prime is 61277023. The reversal of 61277022 is 22077216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61277023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1702122 + ... + 1702157.

It is an arithmetic number, because the mean of its divisors is an integer number (11063910).

Almost surely, 2^61277022 is an apocalyptic number.

61277022 is an abundant number, since it is smaller than the sum of its proper divisors (71489898).

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

61277022 is a wasteful number, since it uses less digits than its factorization.

61277022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404287 (or 3404284 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 61277022 is about 7827.9641031369. The cubic root of 61277022 is about 394.2447181473.

The spelling of 61277022 in words is "sixty-one million, two hundred seventy-seven thousand, twenty-two".