22350780 has 36 divisors (see below), whose sum is σ = 67797912. Its totient is φ = 5960160.

The previous prime is 22350761. The next prime is 22350787. The reversal of 22350780 is 8705322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22350787) 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 11 ways as a sum of consecutive naturals, for example, 61906 + ... + 62265.

Almost surely, 2^22350780 is an apocalyptic number.

22350780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22350780 is an abundant number, since it is smaller than the sum of its proper divisors (45447132).

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

22350780 is a wasteful number, since it uses less digits than its factorization.

22350780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124186 (or 124181 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22350780 is about 4727.6611553706. The cubic root of 22350780 is about 281.6853287978.

The spelling of 22350780 in words is "twenty-two million, three hundred fifty thousand, seven hundred eighty".