7221952 has 14 divisors (see below), whose sum is σ = 14331188. Its totient is φ = 3610944.

The previous prime is 7221937. The next prime is 7221953. The reversal of 7221952 is 2591227.

It is a self number, because there is not a number n which added to its sum of digits gives 7221952.

It is not an unprimeable number, because it can be changed into a prime (7221953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56358 + ... + 56485.

Almost surely, 2^7221952 is an apocalyptic number.

It is an amenable number.

7221952 is a deficient number, since it is larger than the sum of its proper divisors (7109236).

7221952 is a wasteful number, since it uses less digits than its factorization.

7221952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112855 (or 112845 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 7221952 is about 2687.3689735502. The cubic root of 7221952 is about 193.2939224727.

The spelling of 7221952 in words is "seven million, two hundred twenty-one thousand, nine hundred fifty-two".