22055477 has 8 divisors (see below), whose sum is σ = 24106752. Its totient is φ = 20088000.

The previous prime is 22055377. The next prime is 22055489. The reversal of 22055477 is 77455022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22055477 - 2¹⁰ = 22054453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20399 + ... + 21452.

It is an arithmetic number, because the mean of its divisors is an integer number (3013344).

Almost surely, 2^22055477 is an apocalyptic number.

It is an amenable number.

22055477 is a deficient number, since it is larger than the sum of its proper divisors (2051275).

22055477 is a wasteful number, since it uses less digits than its factorization.

22055477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41899.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 22055477 is about 4696.3259043640. The cubic root of 22055477 is about 280.4392637543.

The spelling of 22055477 in words is "twenty-two million, fifty-five thousand, four hundred seventy-seven".