2272479 has 8 divisors (see below), whose sum is σ = 3305472. Its totient is φ = 1377240.

The previous prime is 2272471. The next prime is 2272483. The reversal of 2272479 is 9742722.

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

It is not a de Polignac number, because 2272479 - 2³ = 2272471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 68863 = 2272479 / (2 + 2 + 7 + 2 + 4 + 7 + 9).

2272479 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34399 + ... + 34464.

It is an arithmetic number, because the mean of its divisors is an integer number (413184).

2^2272479 is an apocalyptic number.

2272479 is a deficient number, since it is larger than the sum of its proper divisors (1032993).

2272479 is a wasteful number, since it uses less digits than its factorization.

2272479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68877.

The product of its digits is 14112, while the sum is 33.

The square root of 2272479 is about 1507.4743778917. The cubic root of 2272479 is about 131.4720070338.

Adding to 2272479 its product of digits (14112), we get a triangular number (2286591 = T₂₁₃₈).

The spelling of 2272479 in words is "two million, two hundred seventy-two thousand, four hundred seventy-nine".