55434222 has 24 divisors (see below), whose sum is σ = 121029480. Its totient is φ = 18336240.

The previous prime is 55434193. The next prime is 55434227. The reversal of 55434222 is 22243455.

It is a happy number.

55434222 is a `hidden beast` number, since 5 + 5 + 434 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9397 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (5042895).

Almost surely, 2^55434222 is an apocalyptic number.

55434222 is an abundant number, since it is smaller than the sum of its proper divisors (65595258).

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

55434222 is a wasteful number, since it uses less digits than its factorization.

55434222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23648 (or 23645 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 55434222 is about 7445.4161737273. The cubic root of 55434222 is about 381.2934272129.

Adding to 55434222 its reverse (22243455), we get a palindrome (77677677).

The spelling of 55434222 in words is "fifty-five million, four hundred thirty-four thousand, two hundred twenty-two".