722020442 has 96 divisors (see below), whose sum is σ = 1369291392. Its totient is φ = 281232000.

The previous prime is 722020423. The next prime is 722020451. The reversal of 722020442 is 244020227.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10169267 + ... + 10169337.

It is an arithmetic number, because the mean of its divisors is an integer number (14263452).

Almost surely, 2^722020442 is an apocalyptic number.

722020442 is a deficient number, since it is larger than the sum of its proper divisors (647270950).

722020442 is a wasteful number, since it uses less digits than its factorization.

722020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 722020442 is about 26870.4380686285. The cubic root of 722020442 is about 897.1185383982.

Adding to 722020442 its reverse (244020227), we get a palindrome (966040669).

The spelling of 722020442 in words is "seven hundred twenty-two million, twenty thousand, four hundred forty-two".