2228977 has 4 divisors (see below), whose sum is σ = 2246656. Its totient is φ = 2211300.

The previous prime is 2228971. The next prime is 2228981. The reversal of 2228977 is 7798222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228977 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 2²¹ + 8 + 9³ + 7 + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228971) 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, 8649 + ... + 8902.

It is an arithmetic number, because the mean of its divisors is an integer number (561664).

2^2228977 is an apocalyptic number.

It is an amenable number.

2228977 is a deficient number, since it is larger than the sum of its proper divisors (17679).

2228977 is a wasteful number, since it uses less digits than its factorization.

2228977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17678.

The product of its digits is 28224, while the sum is 37.

The square root of 2228977 is about 1492.9758872802. The cubic root of 2228977 is about 130.6276746016.

It can be divided in two parts, 22289 and 77, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 2228977 in words is "two million, two hundred twenty-eight thousand, nine hundred seventy-seven".