22420153 has 16 divisors (see below), whose sum is σ = 26449920. Its totient is φ = 18604800.

The previous prime is 22420141. The next prime is 22420159. The reversal of 22420153 is 35102422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22420153.

It is not an unprimeable number, because it can be changed into a prime (22420159) 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 in 15 ways as a sum of consecutive naturals, for example, 54613 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (1653120).

Almost surely, 2^22420153 is an apocalyptic number.

It is an amenable number.

22420153 is a deficient number, since it is larger than the sum of its proper divisors (4029767).

22420153 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (22420152) it forms an eRAP, since the sums of their prime factors are consecutive (647 and 648).

22420153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22420153 is about 4734.9923970372. The cubic root of 22420153 is about 281.9764621636.

Adding to 22420153 its reverse (35102422), we get a palindrome (57522575).

The spelling of 22420153 in words is "twenty-two million, four hundred twenty thousand, one hundred fifty-three".