55222134 has 16 divisors (see below), whose sum is σ = 120484800. Its totient is φ = 16733960.

The previous prime is 55222127. The next prime is 55222147. The reversal of 55222134 is 43122255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418284 + ... + 418415.

It is an arithmetic number, because the mean of its divisors is an integer number (7530300).

Almost surely, 2^55222134 is an apocalyptic number.

55222134 is an abundant number, since it is smaller than the sum of its proper divisors (65262666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55222134 is a wasteful number, since it uses less digits than its factorization.

55222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836715.

The product of its digits is 2400, while the sum is 24.

The square root of 55222134 is about 7431.1596672390. The cubic root of 55222134 is about 380.8065371718.

Adding to 55222134 its reverse (43122255), we get a palindrome (98344389).

It can be divided in two parts, 552221 and 34, that added together give a palindrome (552255).

The spelling of 55222134 in words is "fifty-five million, two hundred twenty-two thousand, one hundred thirty-four".