52222969 has 8 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 51010228.

The previous prime is 52222921. The next prime is 52222979. The reversal of 52222969 is 96922225.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52222969 is a prime.

It is a super-2 number, since 2×52222969² = 5454476982349922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52222909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103572 + ... + 104074.

It is an arithmetic number, because the mean of its divisors is an integer number (6683040).

Almost surely, 2^52222969 is an apocalyptic number.

It is an amenable number.

52222969 is a deficient number, since it is larger than the sum of its proper divisors (1241351).

52222969 is an frugal number, since it uses more digits than its factorization.

52222969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 550 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 52222969 is about 7226.5461321436. The cubic root of 52222969 is about 373.7838385040.

The spelling of 52222969 in words is "fifty-two million, two hundred twenty-two thousand, nine hundred sixty-nine".