22201982 has 16 divisors (see below), whose sum is σ = 36554112. Its totient is φ = 10029720.

The previous prime is 22201967. The next prime is 22201999. The reversal of 22201982 is 28910222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (2284632).

Almost surely, 2^22201982 is an apocalyptic number.

22201982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22201982 is a deficient number, since it is larger than the sum of its proper divisors (14352130).

22201982 is a wasteful number, since it uses less digits than its factorization.

22201982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22201982 is about 4711.8979190980. The cubic root of 22201982 is about 281.0588395168.

The spelling of 22201982 in words is "twenty-two million, two hundred one thousand, nine hundred eighty-two".