2269979 has 4 divisors (see below), whose sum is σ = 2279640. Its totient is φ = 2260320.

The previous prime is 2269973. The next prime is 2269991. The reversal of 2269979 is 9799622.

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

It is a cyclic number.

It is not a de Polignac number, because 2269979 - 2¹⁶ = 2204443 is a prime.

It is a super-5 number, since 5×2269979⁵ (a number of 33 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2269973) 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, 4469 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (569910).

2^2269979 is an apocalyptic number.

2269979 is a deficient number, since it is larger than the sum of its proper divisors (9661).

2269979 is an equidigital number, since it uses as much as digits as its factorization.

2269979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its digits is 122472, while the sum is 44.

The square root of 2269979 is about 1506.6449482210. The cubic root of 2269979 is about 131.4237776742.

The spelling of 2269979 in words is "two million, two hundred sixty-nine thousand, nine hundred seventy-nine".