72227662 has 16 divisors (see below), whose sum is σ = 123539472. Its totient is φ = 31374720.

The previous prime is 72227657. The next prime is 72227669. The reversal of 72227662 is 26672227.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72227669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81264 + ... + 82147.

It is an arithmetic number, because the mean of its divisors is an integer number (7721217).

Almost surely, 2^72227662 is an apocalyptic number.

72227662 is a deficient number, since it is larger than the sum of its proper divisors (51311810).

72227662 is a wasteful number, since it uses less digits than its factorization.

72227662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163443.

The product of its digits is 28224, while the sum is 34.

The square root of 72227662 is about 8498.6858984198. The cubic root of 72227662 is about 416.4547810868.

Adding to 72227662 its reverse (26672227), we get a palindrome (98899889).

It can be divided in two parts, 7222 and 7662, that added together give a square (14884 = 122²).

The spelling of 72227662 in words is "seventy-two million, two hundred twenty-seven thousand, six hundred sixty-two".