722221202 has 4 divisors (see below), whose sum is σ = 1083331806. Its totient is φ = 361110600.

The previous prime is 722221189. The next prime is 722221211. The reversal of 722221202 is 202122227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202122227 = 5059 ⋅39953.

It can be written as a sum of positive squares in only one way, i.e., 681784321 + 40436881 = 26111^2 + 6359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180555299 + ... + 180555302.

Almost surely, 2^722221202 is an apocalyptic number.

722221202 is a deficient number, since it is larger than the sum of its proper divisors (361110604).

722221202 is a wasteful number, since it uses less digits than its factorization.

722221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361110603.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 722221202 is about 26874.1735128729. The cubic root of 722221202 is about 897.2016795472.

Adding to 722221202 its reverse (202122227), we get a palindrome (924343429).

The spelling of 722221202 in words is "seven hundred twenty-two million, two hundred twenty-one thousand, two hundred two".