55222295 has 4 divisors (see below), whose sum is σ = 66266760. Its totient is φ = 44177832.

The previous prime is 55222291. The next prime is 55222313. The reversal of 55222295 is 59222255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59222255 = 5 ⋅11844451.

It is a cyclic number.

It is not a de Polignac number, because 55222295 - 2² = 55222291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5522225 + ... + 5522234.

It is an arithmetic number, because the mean of its divisors is an integer number (16566690).

Almost surely, 2^55222295 is an apocalyptic number.

55222295 is a deficient number, since it is larger than the sum of its proper divisors (11044465).

55222295 is a wasteful number, since it uses less digits than its factorization.

55222295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044464.

The product of its digits is 18000, while the sum is 32.

The square root of 55222295 is about 7431.1704999953. The cubic root of 55222295 is about 380.8069072516.

The spelling of 55222295 in words is "fifty-five million, two hundred twenty-two thousand, two hundred ninety-five".