72200022 has 16 divisors (see below), whose sum is σ = 144566640. Its totient is φ = 24038912.

The previous prime is 72200021. The next prime is 72200033. The reversal of 72200022 is 22000227.

It is a junction number, because it is equal to n+sod(n) for n = 72199974 and 72200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (9035415).

Almost surely, 2^72200022 is an apocalyptic number.

72200022 is an abundant number, since it is smaller than the sum of its proper divisors (72366618).

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

72200022 is a wasteful number, since it uses less digits than its factorization.

72200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 72200022 is about 8497.0596090648. The cubic root of 72200022 is about 416.4016514942.

Adding to 72200022 its reverse (22000227), we get a palindrome (94200249).

The spelling of 72200022 in words is "seventy-two million, two hundred thousand, twenty-two".