52222151 has 8 divisors (see below), whose sum is σ = 54029808. Its totient is φ = 50440000.

The previous prime is 52222141. The next prime is 52222153. The reversal of 52222151 is 15122225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52222151 - 2⁶ = 52222087 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 (52222153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (6753726).

Almost surely, 2^52222151 is an apocalyptic number.

52222151 is a deficient number, since it is larger than the sum of its proper divisors (1807657).

52222151 is a wasteful number, since it uses less digits than its factorization.

52222151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753.

The product of its digits is 400, while the sum is 20.

The square root of 52222151 is about 7226.4895350371. The cubic root of 52222151 is about 373.7818868929.

Adding to 52222151 its reverse (15122225), we get a palindrome (67344376).

The spelling of 52222151 in words is "fifty-two million, two hundred twenty-two thousand, one hundred fifty-one".