2270639 has 8 divisors (see below), whose sum is σ = 2747808. Its totient is φ = 1831680.

The previous prime is 2270627. The next prime is 2270641. The reversal of 2270639 is 9360722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2270639 - 2⁸ = 2270383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9422 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (343476).

2^2270639 is an apocalyptic number.

2270639 is a deficient number, since it is larger than the sum of its proper divisors (477169).

2270639 is a wasteful number, since it uses less digits than its factorization.

2270639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19105.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2270639 is about 1506.8639620085. The cubic root of 2270639 is about 131.4365136640.

The spelling of 2270639 in words is "two million, two hundred seventy thousand, six hundred thirty-nine".