722236534 has 16 divisors (see below), whose sum is σ = 1150834608. Its totient is φ = 338764032.

The previous prime is 722236511. The next prime is 722236553. The reversal of 722236534 is 435632227.

722236534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×722236534² = 1043251222088666312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 722236534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24159 + ... + 45034.

It is an arithmetic number, because the mean of its divisors is an integer number (71927163).

Almost surely, 2^722236534 is an apocalyptic number.

722236534 is a deficient number, since it is larger than the sum of its proper divisors (428598074).

722236534 is a wasteful number, since it uses less digits than its factorization.

722236534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69519.

The product of its digits is 60480, while the sum is 34.

The square root of 722236534 is about 26874.4587666431. The cubic root of 722236534 is about 897.2080283864.

The spelling of 722236534 in words is "seven hundred twenty-two million, two hundred thirty-six thousand, five hundred thirty-four".