42122502 has 24 divisors (see below), whose sum is σ = 93733536. Its totient is φ = 13661136.

The previous prime is 42122497. The next prime is 42122537. The reversal of 42122502 is 20522124.

42122502 is a `hidden beast` number, since 42 + 122 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30958 + ... + 32289.

It is an arithmetic number, because the mean of its divisors is an integer number (3905564).

Almost surely, 2^42122502 is an apocalyptic number.

42122502 is an abundant number, since it is smaller than the sum of its proper divisors (51611034).

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

42122502 is a wasteful number, since it uses less digits than its factorization.

42122502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63292 (or 63289 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42122502 is about 6490.1850512909. The cubic root of 42122502 is about 347.9402890021.

Adding to 42122502 its reverse (20522124), we get a palindrome (62644626).

It can be divided in two parts, 42122 and 502, that added together give a palindrome (42624).

The spelling of 42122502 in words is "forty-two million, one hundred twenty-two thousand, five hundred two".