722351900 has 18 divisors (see below), whose sum is σ = 1567503840. Its totient is φ = 288940720.

The previous prime is 722351873. The next prime is 722351933. The reversal of 722351900 is 9153227.

722351900 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×722351900² = 1043584534867220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3611660 + ... + 3611859.

Almost surely, 2^722351900 is an apocalyptic number.

It is an amenable number.

722351900 is an abundant number, since it is smaller than the sum of its proper divisors (845151940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722351900 is a wasteful number, since it uses less digits than its factorization.

722351900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223533 (or 7223526 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 722351900 is about 26876.6050683489. The cubic root of 722351900 is about 897.2557974970.

The spelling of 722351900 in words is "seven hundred twenty-two million, three hundred fifty-one thousand, nine hundred".