53222919 has 8 divisors (see below), whose sum is σ = 71003520. Its totient is φ = 35462136.

The previous prime is 53222891. The next prime is 53222921. The reversal of 53222919 is 91922235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53222919 - 2⁷ = 53222791 is a prime.

It is a super-2 number, since 2×53222919² = 5665358213761122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53222919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53222929) 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, 3262 + ... + 10820.

It is an arithmetic number, because the mean of its divisors is an integer number (8875440).

Almost surely, 2^53222919 is an apocalyptic number.

53222919 is a deficient number, since it is larger than the sum of its proper divisors (17780601).

53222919 is a wasteful number, since it uses less digits than its factorization.

53222919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909.

The product of its digits is 9720, while the sum is 33.

The square root of 53222919 is about 7295.4039641407. The cubic root of 53222919 is about 376.1544724241.

The spelling of 53222919 in words is "fifty-three million, two hundred twenty-two thousand, nine hundred nineteen".