52242216 has 32 divisors (see below), whose sum is σ = 140652960. Its totient is φ = 16074432.

The previous prime is 52242209. The next prime is 52242227. The reversal of 52242216 is 61224225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83410 + ... + 84033.

It is an arithmetic number, because the mean of its divisors is an integer number (4395405).

Almost surely, 2^52242216 is an apocalyptic number.

It is an amenable number.

52242216 is an abundant number, since it is smaller than the sum of its proper divisors (88410744).

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

52242216 is a wasteful number, since it uses less digits than its factorization.

52242216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167465 (or 167461 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 52242216 is about 7227.8776968070. The cubic root of 52242216 is about 373.8297527447.

Subtracting 52242216 from its reverse (61224225), we obtain a square (8982009 = 2997²).

The spelling of 52242216 in words is "fifty-two million, two hundred forty-two thousand, two hundred sixteen".