42577122 has 16 divisors (see below), whose sum is σ = 97319232. Its totient is φ = 12164880.

The previous prime is 42577111. The next prime is 42577123. The reversal of 42577122 is 22177524.

It is a super-2 number, since 2×42577122² = 3625622635605768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42577122.

It is not an unprimeable number, because it can be changed into a prime (42577123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506829 + ... + 506912.

It is an arithmetic number, because the mean of its divisors is an integer number (6082452).

Almost surely, 2^42577122 is an apocalyptic number.

42577122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42577122 is an abundant number, since it is smaller than the sum of its proper divisors (54742110).

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

42577122 is a wasteful number, since it uses less digits than its factorization.

42577122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013753.

The product of its digits is 7840, while the sum is 30.

The square root of 42577122 is about 6525.1147116353. The cubic root of 42577122 is about 349.1875632110.

The spelling of 42577122 in words is "forty-two million, five hundred seventy-seven thousand, one hundred twenty-two".