2277958 has 4 divisors (see below), whose sum is σ = 3416940. Its totient is φ = 1138978.

The previous prime is 2277941. The next prime is 2278007. The reversal of 2277958 is 8597722.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 7³ + 7⁶ + 9⁵ + 5⁵ + 8³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2277958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569488 + ... + 569491.

It is an arithmetic number, because the mean of its divisors is an integer number (854235).

2^2277958 is an apocalyptic number.

2277958 is a deficient number, since it is larger than the sum of its proper divisors (1138982).

2277958 is a wasteful number, since it uses less digits than its factorization.

2277958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138981.

The product of its digits is 70560, while the sum is 40.

The square root of 2277958 is about 1509.2905618204. The cubic root of 2277958 is about 131.5775829248.

The spelling of 2277958 in words is "two million, two hundred seventy-seven thousand, nine hundred fifty-eight".