2272426 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1033200.

The previous prime is 2272409. The next prime is 2272427. The reversal of 2272426 is 6242722.

It is a self number, because there is not a number n which added to its sum of digits gives 2272426.

It is not an unprimeable number, because it can be changed into a prime (2272427) 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, 1231 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2272426 is an apocalyptic number.

2272426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2272426 is the 1231-st pentagonal number.

2272426 is a deficient number, since it is larger than the sum of its proper divisors (1453142).

2272426 is a wasteful number, since it uses less digits than its factorization.

2272426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 2688, while the sum is 25.

The square root of 2272426 is about 1507.4567987176. The cubic root of 2272426 is about 131.4709849384.

The spelling of 2272426 in words is "two million, two hundred seventy-two thousand, four hundred twenty-six".