29220252115 has 4 divisors (see below), whose sum is σ = 35064302544. Its totient is φ = 23376201688.

The previous prime is 29220252101. The next prime is 29220252119. The reversal of 29220252115 is 51125202292.

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

It is a cyclic number.

It is not a de Polignac number, because 29220252115 - 2⁷ = 29220251987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29220252119) 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, 2922025207 + ... + 2922025216.

It is an arithmetic number, because the mean of its divisors is an integer number (8766075636).

Almost surely, 2^29220252115 is an apocalyptic number.

29220252115 is a deficient number, since it is larger than the sum of its proper divisors (5844050429).

29220252115 is an equidigital number, since it uses as much as digits as its factorization.

29220252115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844050428.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 29220252115 in words is "twenty-nine billion, two hundred twenty million, two hundred fifty-two thousand, one hundred fifteen".