52221834 has 40 divisors (see below), whose sum is σ = 133735008. Its totient is φ = 14920200.

The previous prime is 52221803. The next prime is 52221839. The reversal of 52221834 is 43812225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52221798 and 52221807.

It is not an unprimeable number, because it can be changed into a prime (52221839) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21892 + ... + 24159.

Almost surely, 2^52221834 is an apocalyptic number.

52221834 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

52221834 is an abundant number, since it is smaller than the sum of its proper divisors (81513174).

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

52221834 is a wasteful number, since it uses less digits than its factorization.

52221834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46072 (or 46063 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 52221834 is about 7226.4676018093. The cubic root of 52221834 is about 373.7811305785.

It can be divided in two parts, 5222 and 1834, that added together give a square (7056 = 84²).

The spelling of 52221834 in words is "fifty-two million, two hundred twenty-one thousand, eight hundred thirty-four".