22455022 has 4 divisors (see below), whose sum is σ = 33682536. Its totient is φ = 11227510.

The previous prime is 22455001. The next prime is 22455029. The reversal of 22455022 is 22055422.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22454984 and 22455002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5613754 + ... + 5613757.

It is an arithmetic number, because the mean of its divisors is an integer number (8420634).

Almost surely, 2^22455022 is an apocalyptic number.

22455022 is a deficient number, since it is larger than the sum of its proper divisors (11227514).

22455022 is a wasteful number, since it uses less digits than its factorization.

22455022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227513.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22455022 is about 4738.6730210049. The cubic root of 22455022 is about 282.1225679827.

The spelling of 22455022 in words is "twenty-two million, four hundred fifty-five thousand, twenty-two".