722606126 has 32 divisors (see below), whose sum is σ = 1197646560. Its totient is φ = 324259200.

The previous prime is 722606083. The next prime is 722606141. The reversal of 722606126 is 621606227.

It is a super-2 number, since 2×722606126² = 1044319226665455752, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 722606092 and 722606101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297040 + ... + 1297596.

It is an arithmetic number, because the mean of its divisors is an integer number (37426455).

Almost surely, 2^722606126 is an apocalyptic number.

722606126 is a deficient number, since it is larger than the sum of its proper divisors (475040434).

722606126 is a wasteful number, since it uses less digits than its factorization.

722606126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 722606126 is about 26881.3341558785. The cubic root of 722606126 is about 897.3610458289.

The spelling of 722606126 in words is "seven hundred twenty-two million, six hundred six thousand, one hundred twenty-six".