22153050 has 72 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 5594400.

The previous prime is 22153039. The next prime is 22153067. The reversal of 22153050 is 5035122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 7255 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^22153050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22153050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31337280).

22153050 is an abundant number, since it is smaller than the sum of its proper divisors (40521510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22153050 is a wasteful number, since it uses less digits than its factorization.

22153050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 22153050 is about 4706.7026674733. The cubic root of 22153050 is about 280.8522080100.

Adding to 22153050 its reverse (5035122), we get a palindrome (27188172).

The spelling of 22153050 in words is "twenty-two million, one hundred fifty-three thousand, fifty".