722008162090 has 64 divisors (see below), whose sum is σ = 1316528028288. Its totient is φ = 285072537600.

The previous prime is 722008162061. The next prime is 722008162121. The reversal of 722008162090 is 90261800227.

It is a super-2 number, since 2×722008162090² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299462985 + ... + 299465395.

It is an arithmetic number, because the mean of its divisors is an integer number (20570750442).

Almost surely, 2^722008162090 is an apocalyptic number.

722008162090 is a deficient number, since it is larger than the sum of its proper divisors (594519866198).

722008162090 is a wasteful number, since it uses less digits than its factorization.

722008162090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 722008162090 in words is "seven hundred twenty-two billion, eight million, one hundred sixty-two thousand, ninety".