2290977 has 32 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 1373760.

The previous prime is 2290973. The next prime is 2290979. The reversal of 2290977 is 7790922.

It is not a de Polignac number, because 2290977 - 2² = 2290973 is a prime.

It is a super-2 number, since 2×2290977² = 10497151229058, which contains 22 as substring.

2290977 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21358 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^2290977 is an apocalyptic number.

2290977 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2290977 is a deficient number, since it is larger than the sum of its proper divisors (1458783).

2290977 is a wasteful number, since it uses less digits than its factorization.

2290977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2290977 is about 1513.5973705051. The cubic root of 2290977 is about 131.8277712478.

Subtracting 2290977 from its reverse (7790922), we obtain a palindrome (5499945).

The spelling of 2290977 in words is "two million, two hundred ninety thousand, nine hundred seventy-seven".