72204022 has 16 divisors (see below), whose sum is σ = 121964544. Its totient is φ = 31761000.

The previous prime is 72204019. The next prime is 72204029. The reversal of 72204022 is 22040227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52254 + ... + 53617.

It is an arithmetic number, because the mean of its divisors is an integer number (7622784).

Almost surely, 2^72204022 is an apocalyptic number.

72204022 is a deficient number, since it is larger than the sum of its proper divisors (49760522).

72204022 is a wasteful number, since it uses less digits than its factorization.

72204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105915.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 72204022 is about 8497.2949813455. The cubic root of 72204022 is about 416.4093411311.

Adding to 72204022 its reverse (22040227), we get a palindrome (94244249).

The spelling of 72204022 in words is "seventy-two million, two hundred four thousand, twenty-two".