2242979 has 2 divisors, whose sum is σ = 2242980. Its totient is φ = 2242978.

The previous prime is 2242973. The next prime is 2242993. The reversal of 2242979 is 9792422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2242979 - 2¹⁶ = 2177443 is a prime.

It is equal to p₁₆₅₅₉₉ and since 2242979 and 165599 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2242973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121489 + 1121490.

It is an arithmetic number, because the mean of its divisors is an integer number (1121490).

2^2242979 is an apocalyptic number.

2242979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242979 is an equidigital number, since it uses as much as digits as its factorization.

2242979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 2242979 is about 1497.6578380925. The cubic root of 2242979 is about 130.9006297287.

The spelling of 2242979 in words is "two million, two hundred forty-two thousand, nine hundred seventy-nine".