22055434 has 4 divisors (see below), whose sum is σ = 33083154. Its totient is φ = 11027716.

The previous prime is 22055377. The next prime is 22055489. The reversal of 22055434 is 43455022.

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., 21855625 + 199809 = 4675^2 + 447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22055399 and 22055408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513857 + ... + 5513860.

Almost surely, 2^22055434 is an apocalyptic number.

22055434 is a deficient number, since it is larger than the sum of its proper divisors (11027720).

22055434 is a wasteful number, since it uses less digits than its factorization.

22055434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027719.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 22055434 is about 4696.3213263149. The cubic root of 22055434 is about 280.4390815034.

The spelling of 22055434 in words is "twenty-two million, fifty-five thousand, four hundred thirty-four".