2279966 has 8 divisors (see below), whose sum is σ = 3683064. Its totient is φ = 1052280.

The previous prime is 2279933. The next prime is 2279993. The reversal of 2279966 is 6699722.

It is a happy number.

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

It is a super-2 number, since 2×2279966² = 10396489922312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43820 + ... + 43871.

It is an arithmetic number, because the mean of its divisors is an integer number (460383).

2^2279966 is an apocalyptic number.

2279966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2279966 is a deficient number, since it is larger than the sum of its proper divisors (1403098).

2279966 is a wasteful number, since it uses less digits than its factorization.

2279966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87706.

The product of its digits is 81648, while the sum is 41.

The square root of 2279966 is about 1509.9556284871. The cubic root of 2279966 is about 131.6162330656.

The spelling of 2279966 in words is "two million, two hundred seventy-nine thousand, nine hundred sixty-six".