22283890 has 32 divisors (see below), whose sum is σ = 42482880. Its totient is φ = 8401344.

The previous prime is 22283881. The next prime is 22283897. The reversal of 22283890 is 9838222.

22283890 = 271² + 272² + ... + 442².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22283897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11577 + ... + 13363.

It is an arithmetic number, because the mean of its divisors is an integer number (1327590).

Almost surely, 2^22283890 is an apocalyptic number.

22283890 is a deficient number, since it is larger than the sum of its proper divisors (20198990).

22283890 is a wasteful number, since it uses less digits than its factorization.

22283890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 22283890 is about 4720.5815319725. The cubic root of 22283890 is about 281.4040446656.

The spelling of 22283890 in words is "twenty-two million, two hundred eighty-three thousand, eight hundred ninety".