22553434 has 12 divisors (see below), whose sum is σ = 34328682. Its totient is φ = 11112920.

The previous prime is 22553431. The next prime is 22553449. The reversal of 22553434 is 43435522.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 6175225 = 4047^2 + 2485^2 .

It is not an unprimeable number, because it can be changed into a prime (22553431) 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 5 ways as a sum of consecutive naturals, for example, 8964 + ... + 11200.

Almost surely, 2^22553434 is an apocalyptic number.

22553434 is a deficient number, since it is larger than the sum of its proper divisors (11775248).

22553434 is an equidigital number, since it uses as much as digits as its factorization.

22553434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2310 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 22553434 is about 4749.0455883261. The cubic root of 22553434 is about 282.5341134047.

Adding to 22553434 its reverse (43435522), we get a palindrome (65988956).

The spelling of 22553434 in words is "twenty-two million, five hundred fifty-three thousand, four hundred thirty-four".