42622516 has 6 divisors (see below), whose sum is σ = 74589410. Its totient is φ = 21311256.

The previous prime is 42622513. The next prime is 42622549. The reversal of 42622516 is 61522624.

It can be written as a sum of positive squares in only one way, i.e., 39012516 + 3610000 = 6246^2 + 1900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327811 + ... + 5327818.

Almost surely, 2^42622516 is an apocalyptic number.

It is an amenable number.

42622516 is a deficient number, since it is larger than the sum of its proper divisors (31966894).

42622516 is a wasteful number, since it uses less digits than its factorization.

42622516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655633 (or 10655631 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 42622516 is about 6528.5921912768. The cubic root of 42622516 is about 349.3116156723.

The spelling of 42622516 in words is "forty-two million, six hundred twenty-two thousand, five hundred sixteen".