22561054 has 4 divisors (see below), whose sum is σ = 33841584. Its totient is φ = 11280526.

The previous prime is 22561051. The next prime is 22561067. The reversal of 22561054 is 45016522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640262 + ... + 5640265.

It is an arithmetic number, because the mean of its divisors is an integer number (8460396).

Almost surely, 2^22561054 is an apocalyptic number.

22561054 is a deficient number, since it is larger than the sum of its proper divisors (11280530).

22561054 is a wasteful number, since it uses less digits than its factorization.

22561054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11280529.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22561054 is about 4749.8477870349. The cubic root of 22561054 is about 282.5659292178.

Adding to 22561054 its reverse (45016522), we get a palindrome (67577576).

The spelling of 22561054 in words is "twenty-two million, five hundred sixty-one thousand, fifty-four".