55222634 has 4 divisors (see below), whose sum is σ = 82833954. Its totient is φ = 27611316.

The previous prime is 55222633. The next prime is 55222637. The reversal of 55222634 is 43622255.

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

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 14938225 = 6347^2 + 3865^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55222597 and 55222606.

It is not an unprimeable number, because it can be changed into a prime (55222633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805657 + ... + 13805660.

Almost surely, 2^55222634 is an apocalyptic number.

55222634 is a deficient number, since it is larger than the sum of its proper divisors (27611320).

55222634 is a wasteful number, since it uses less digits than its factorization.

55222634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27611319.

The product of its digits is 14400, while the sum is 29.

The square root of 55222634 is about 7431.1933092875. The cubic root of 55222634 is about 380.8076864857.

Adding to 55222634 its reverse (43622255), we get a palindrome (98844889).

The spelling of 55222634 in words is "fifty-five million, two hundred twenty-two thousand, six hundred thirty-four".