72227342 has 16 divisors (see below), whose sum is σ = 122266800. Its totient is φ = 31698240.

The previous prime is 72227329. The next prime is 72227369. The reversal of 72227342 is 24372227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55967 + ... + 57242.

It is an arithmetic number, because the mean of its divisors is an integer number (7641675).

Almost surely, 2^72227342 is an apocalyptic number.

72227342 is a deficient number, since it is larger than the sum of its proper divisors (50039458).

72227342 is a wasteful number, since it uses less digits than its factorization.

72227342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113251.

The product of its digits is 9408, while the sum is 29.

The square root of 72227342 is about 8498.6670719590. The cubic root of 72227342 is about 416.4541660606.

Adding to 72227342 its reverse (24372227), we get a palindrome (96599569).

The spelling of 72227342 in words is "seventy-two million, two hundred twenty-seven thousand, three hundred forty-two".