53784222 has 16 divisors (see below), whose sum is σ = 107686800. Its totient is φ = 17908352.

The previous prime is 53784221. The next prime is 53784233. The reversal of 53784222 is 22248735.

It is a super-2 number, since 2×53784222² = 5785485072290568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53784221) 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, 1654 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (6730425).

Almost surely, 2^53784222 is an apocalyptic number.

53784222 is an abundant number, since it is smaller than the sum of its proper divisors (53902578).

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

53784222 is a wasteful number, since it uses less digits than its factorization.

53784222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867.

The product of its digits is 26880, while the sum is 33.

The square root of 53784222 is about 7333.7726989592. The cubic root of 53784222 is about 377.4721924461.

The spelling of 53784222 in words is "fifty-three million, seven hundred eighty-four thousand, two hundred twenty-two".