22433490 has 64 divisors (see below), whose sum is σ = 62985600. Its totient is φ = 5666112.

The previous prime is 22433461. The next prime is 22433531. The reversal of 22433490 is 9433422.

It is a happy number.

It is a super-3 number, since 3×22433490³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 2944 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (984150).

Almost surely, 2^22433490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22433490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31492800).

22433490 is an abundant number, since it is smaller than the sum of its proper divisors (40552110).

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

22433490 is a wasteful number, since it uses less digits than its factorization.

22433490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22433490 is about 4736.4005320496. The cubic root of 22433490 is about 282.0323638727.

The spelling of 22433490 in words is "twenty-two million, four hundred thirty-three thousand, four hundred ninety".