2622747 has 4 divisors (see below), whose sum is σ = 3497000. Its totient is φ = 1748496.

The previous prime is 2622733. The next prime is 2622749. The reversal of 2622747 is 7472262.

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

It is not a de Polignac number, because 2622747 - 2⁷ = 2622619 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2622749) 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, 437122 + ... + 437127.

It is an arithmetic number, because the mean of its divisors is an integer number (874250).

2^2622747 is an apocalyptic number.

2622747 is a deficient number, since it is larger than the sum of its proper divisors (874253).

2622747 is an equidigital number, since it uses as much as digits as its factorization.

2622747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874252.

The product of its digits is 9408, while the sum is 30.

The square root of 2622747 is about 1619.4897344534. The cubic root of 2622747 is about 137.9067317692.

The spelling of 2622747 in words is "two million, six hundred twenty-two thousand, seven hundred forty-seven".