22740153 has 4 divisors (see below), whose sum is σ = 30320208. Its totient is φ = 15160100.

The previous prime is 22740149. The next prime is 22740161. The reversal of 22740153 is 35104722.

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.

It is a cyclic number.

It is not a de Polignac number, because 22740153 - 2² = 22740149 is a prime.

It is a super-2 number, since 2×22740153² = 1034229116926818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22740173) 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, 3790023 + ... + 3790028.

It is an arithmetic number, because the mean of its divisors is an integer number (7580052).

Almost surely, 2^22740153 is an apocalyptic number.

It is an amenable number.

22740153 is a deficient number, since it is larger than the sum of its proper divisors (7580055).

22740153 is an equidigital number, since it uses as much as digits as its factorization.

22740153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580054.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22740153 is about 4768.6636492837. The cubic root of 22740153 is about 283.3116678551.

Adding to 22740153 its reverse (35104722), we get a palindrome (57844875).

The spelling of 22740153 in words is "twenty-two million, seven hundred forty thousand, one hundred fifty-three".