29222255 has 4 divisors (see below), whose sum is σ = 35066712. Its totient is φ = 23377800.

The previous prime is 29222189. The next prime is 29222257. The reversal of 29222255 is 55222292.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29222255 - 2⁸ = 29221999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29222257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922221 + ... + 2922230.

It is an arithmetic number, because the mean of its divisors is an integer number (8766678).

Almost surely, 2^29222255 is an apocalyptic number.

29222255 is a deficient number, since it is larger than the sum of its proper divisors (5844457).

29222255 is an equidigital number, since it uses as much as digits as its factorization.

29222255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844456.

The product of its digits is 7200, while the sum is 29.

The square root of 29222255 is about 5405.7612784880. The cubic root of 29222255 is about 308.0145569946.

The spelling of 29222255 in words is "twenty-nine million, two hundred twenty-two thousand, two hundred fifty-five".