22101380 has 24 divisors (see below), whose sum is σ = 53043648. Its totient is φ = 7577568.

The previous prime is 22101349. The next prime is 22101433. The reversal of 22101380 is 8310122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78794 + ... + 79073.

It is an arithmetic number, because the mean of its divisors is an integer number (2210152).

Almost surely, 2^22101380 is an apocalyptic number.

22101380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101380 is an abundant number, since it is smaller than the sum of its proper divisors (30942268).

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

22101380 is a wasteful number, since it uses less digits than its factorization.

22101380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157883 (or 157881 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 22101380 is about 4701.2104824183. The cubic root of 22101380 is about 280.6336838400.

The spelling of 22101380 in words is "twenty-two million, one hundred one thousand, three hundred eighty".