4022990 has 8 divisors (see below), whose sum is σ = 7241400. Its totient is φ = 1609192.

The previous prime is 4022983. The next prime is 4023001. The reversal of 4022990 is 992204.

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

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 3 ways as a sum of consecutive naturals, for example, 201140 + ... + 201159.

It is an arithmetic number, because the mean of its divisors is an integer number (905175).

Almost surely, 2^4022990 is an apocalyptic number.

4022990 is a deficient number, since it is larger than the sum of its proper divisors (3218410).

4022990 is a wasteful number, since it uses less digits than its factorization.

4022990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402306.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4022990 is about 2005.7392652087. The cubic root of 4022990 is about 159.0436439926.

The spelling of 4022990 in words is "four million, twenty-two thousand, nine hundred ninety".