22562542 has 4 divisors (see below), whose sum is σ = 33843816. Its totient is φ = 11281270.

The previous prime is 22562531. The next prime is 22562543. The reversal of 22562542 is 24526522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24526522 = 2 ⋅12263261.

It is a self number, because there is not a number n which added to its sum of digits gives 22562542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22562543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640634 + ... + 5640637.

It is an arithmetic number, because the mean of its divisors is an integer number (8460954).

Almost surely, 2^22562542 is an apocalyptic number.

22562542 is a deficient number, since it is larger than the sum of its proper divisors (11281274).

22562542 is a wasteful number, since it uses less digits than its factorization.

22562542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281273.

The product of its digits is 9600, while the sum is 28.

The square root of 22562542 is about 4750.0044210506. The cubic root of 22562542 is about 282.5721412334.

It can be divided in two parts, 22562 and 542, that added together give a square (23104 = 152²).

The spelling of 22562542 in words is "twenty-two million, five hundred sixty-two thousand, five hundred forty-two".