7222929 has 16 divisors (see below), whose sum is σ = 11276160. Its totient is φ = 4026240.

The previous prime is 7222903. The next prime is 7222931. The reversal of 7222929 is 9292227.

It is not a de Polignac number, because 7222929 - 2⁸ = 7222673 is a prime.

It is a Curzon number.

7222929 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7222929.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (704760).

Almost surely, 2^7222929 is an apocalyptic number.

It is an amenable number.

7222929 is a deficient number, since it is larger than the sum of its proper divisors (4053231).

7222929 is a wasteful number, since it uses less digits than its factorization.

7222929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440.

The product of its digits is 9072, while the sum is 33.

The square root of 7222929 is about 2687.5507437070. The cubic root of 7222929 is about 193.3026384748.

The spelling of 7222929 in words is "seven million, two hundred twenty-two thousand, nine hundred twenty-nine".