22153049 has 4 divisors (see below), whose sum is σ = 22162560. Its totient is φ = 22143540.

The previous prime is 22153039. The next prime is 22153067. The reversal of 22153049 is 94035122.

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 a de Polignac number, because none of the positive numbers 2^k-22153049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (5540640).

Almost surely, 2^22153049 is an apocalyptic number.

It is an amenable number.

22153049 is a deficient number, since it is larger than the sum of its proper divisors (9511).

22153049 is an equidigital number, since it uses as much as digits as its factorization.

22153049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22153049 is about 4706.7025612418. The cubic root of 22153049 is about 280.8522037840.

The spelling of 22153049 in words is "twenty-two million, one hundred fifty-three thousand, forty-nine".