22641090 has 16 divisors (see below), whose sum is σ = 54338688. Its totient is φ = 6037616.

The previous prime is 22641089. The next prime is 22641107. The reversal of 22641090 is 9014622.

It is a self number, because there is not a number n which added to its sum of digits gives 22641090.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 377322 + ... + 377381.

It is an arithmetic number, because the mean of its divisors is an integer number (3396168).

Almost surely, 2^22641090 is an apocalyptic number.

22641090 is an abundant number, since it is smaller than the sum of its proper divisors (31697598).

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

22641090 is a wasteful number, since it uses less digits than its factorization.

22641090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754713.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22641090 is about 4758.2654402629. The cubic root of 22641090 is about 282.8996718451.

The spelling of 22641090 in words is "twenty-two million, six hundred forty-one thousand, ninety".