2272478 has 8 divisors (see below), whose sum is σ = 3670968. Its totient is φ = 1048824.

The previous prime is 2272471. The next prime is 2272483. The reversal of 2272478 is 8742722.

It is a happy number.

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43676 + ... + 43727.

It is an arithmetic number, because the mean of its divisors is an integer number (458871).

2^2272478 is an apocalyptic number.

2272478 is a deficient number, since it is larger than the sum of its proper divisors (1398490).

2272478 is a wasteful number, since it uses less digits than its factorization.

2272478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87418.

The product of its digits is 12544, while the sum is 32.

The square root of 2272478 is about 1507.4740462111. The cubic root of 2272478 is about 131.4719877491.

The spelling of 2272478 in words is "two million, two hundred seventy-two thousand, four hundred seventy-eight".