2292628 has 12 divisors (see below), whose sum is σ = 4320820. Its totient is φ = 1058112.

The previous prime is 2292623. The next prime is 2292643. The reversal of 2292628 is 8262922.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 1633284 = 812^2 + 1278^2 .

It is a super-2 number, since 2×2292628² = 10512286292768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2292628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21993 + ... + 22096.

2^2292628 is an apocalyptic number.

It is an amenable number.

2292628 is a deficient number, since it is larger than the sum of its proper divisors (2028192).

2292628 is a wasteful number, since it uses less digits than its factorization.

2292628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44106 (or 44104 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2292628 is about 1514.1426617066. The cubic root of 2292628 is about 131.8594310139.

The spelling of 2292628 in words is "two million, two hundred ninety-two thousand, six hundred twenty-eight".