22290382 has 8 divisors (see below), whose sum is σ = 35195400. Its totient is φ = 10558584.

The previous prime is 22290343. The next prime is 22290409. The reversal of 22290382 is 28309222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22290382² = 993722259411848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22290382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293257 + ... + 293332.

It is an arithmetic number, because the mean of its divisors is an integer number (4399425).

Almost surely, 2^22290382 is an apocalyptic number.

22290382 is a deficient number, since it is larger than the sum of its proper divisors (12905018).

22290382 is a wasteful number, since it uses less digits than its factorization.

22290382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586610.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22290382 is about 4721.2691090426. The cubic root of 22290382 is about 281.4313693035.

The spelling of 22290382 in words is "twenty-two million, two hundred ninety thousand, three hundred eighty-two".