4990922 has 4 divisors (see below), whose sum is σ = 7486386. Its totient is φ = 2495460.

The previous prime is 4990919. The next prime is 4990927. The reversal of 4990922 is 2290994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2290994 = 2 ⋅1145497.

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 58081 = 2221^2 + 241^2 .

It is not an unprimeable number, because it can be changed into a prime (4990927) by changing a digit.

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 as a sum of consecutive naturals, namely, 1247729 + ... + 1247732.

Almost surely, 2^4990922 is an apocalyptic number.

4990922 is a deficient number, since it is larger than the sum of its proper divisors (2495464).

4990922 is a wasteful number, since it uses less digits than its factorization.

4990922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495463.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4990922 is about 2234.0371527797. The cubic root of 4990922 is about 170.8940442293.

The spelling of 4990922 in words is "four million, nine hundred ninety thousand, nine hundred twenty-two".