22990716 has 144 divisors (see below), whose sum is σ = 71751680. Its totient is φ = 6298560.

The previous prime is 22990699. The next prime is 22990753. The reversal of 22990716 is 61709922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210870 + ... + 210978.

Almost surely, 2^22990716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22990716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35875840).

22990716 is an abundant number, since it is smaller than the sum of its proper divisors (48760964).

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

22990716 is a wasteful number, since it uses less digits than its factorization.

22990716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22990716 is about 4794.8635017068. The cubic root of 22990716 is about 284.3484283992.

The spelling of 22990716 in words is "twenty-two million, nine hundred ninety thousand, seven hundred sixteen".