72202252 has 6 divisors (see below), whose sum is σ = 126353948. Its totient is φ = 36101124.

The previous prime is 72202237. The next prime is 72202297. The reversal of 72202252 is 25220227.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025278 + ... + 9025285.

Almost surely, 2^72202252 is an apocalyptic number.

It is an amenable number.

72202252 is a deficient number, since it is larger than the sum of its proper divisors (54151696).

72202252 is a wasteful number, since it uses less digits than its factorization.

72202252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050567 (or 18050565 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 72202252 is about 8497.1908299155. The cubic root of 72202252 is about 416.4059385018.

Adding to 72202252 its reverse (25220227), we get a palindrome (97422479).

It can be divided in two parts, 7220225 and 2, that added together give a palindrome (7220227).

The spelling of 72202252 in words is "seventy-two million, two hundred two thousand, two hundred fifty-two".