22070380 has 12 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 8828144.

The previous prime is 22070371. The next prime is 22070383. The reversal of 22070380 is 8307022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22070383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551740 + ... + 551779.

It is an arithmetic number, because the mean of its divisors is an integer number (3862320).

Almost surely, 2^22070380 is an apocalyptic number.

22070380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22070380 is an abundant number, since it is smaller than the sum of its proper divisors (24277460).

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

22070380 is a wasteful number, since it uses less digits than its factorization.

22070380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103528 (or 1103526 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22070380 is about 4697.9123022892. The cubic root of 22070380 is about 280.5024142869.

The spelling of 22070380 in words is "twenty-two million, seventy thousand, three hundred eighty".