22542153437 has 4 divisors (see below), whose sum is σ = 22542461760. Its totient is φ = 22541845116.

The previous prime is 22542153427. The next prime is 22542153457. The reversal of 22542153437 is 73435124522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22542153437 - 2⁶ = 22542153373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22542153437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542153407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24614 + ... + 213752.

It is an arithmetic number, because the mean of its divisors is an integer number (5635615440).

Almost surely, 2^22542153437 is an apocalyptic number.

It is an amenable number.

22542153437 is a deficient number, since it is larger than the sum of its proper divisors (308323).

22542153437 is a wasteful number, since it uses less digits than its factorization.

22542153437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308322.

The product of its digits is 201600, while the sum is 38.

Adding to 22542153437 its reverse (73435124522), we get a palindrome (95977277959).

The spelling of 22542153437 in words is "twenty-two billion, five hundred forty-two million, one hundred fifty-three thousand, four hundred thirty-seven".