22070780 has 36 divisors (see below), whose sum is σ = 48991320. Its totient is φ = 8328960.

The previous prime is 22070773. The next prime is 22070809. The reversal of 22070780 is 8707022.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 91460 + ... + 91700.

It is an arithmetic number, because the mean of its divisors is an integer number (1360870).

Almost surely, 2^22070780 is an apocalyptic number.

22070780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22070780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24495660).

22070780 is an abundant number, since it is smaller than the sum of its proper divisors (26920540).

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

22070780 is a wasteful number, since it uses less digits than its factorization.

22070780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 22070780 is about 4697.9548741979. The cubic root of 22070780 is about 280.5041088702.

The spelling of 22070780 in words is "twenty-two million, seventy thousand, seven hundred eighty".