52220998 has 4 divisors (see below), whose sum is σ = 78331500. Its totient is φ = 26110498.

The previous prime is 52220989. The next prime is 52220999. The reversal of 52220998 is 89902225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055248 + ... + 13055251.

It is an arithmetic number, because the mean of its divisors is an integer number (19582875).

Almost surely, 2^52220998 is an apocalyptic number.

52220998 is a deficient number, since it is larger than the sum of its proper divisors (26110502).

52220998 is a wasteful number, since it uses less digits than its factorization.

52220998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26110501.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 52220998 is about 7226.4097586561. The cubic root of 52220998 is about 373.7791359933.

The spelling of 52220998 in words is "fifty-two million, two hundred twenty thousand, nine hundred ninety-eight".