1478722 has 24 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 622440.

The previous prime is 1478707. The next prime is 1478723. The reversal of 1478722 is 2278741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7647 + ... + 7837.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1478722 is an apocalyptic number.

1478722 is a deficient number, since it is larger than the sum of its proper divisors (1147838).

1478722 is a wasteful number, since it uses less digits than its factorization.

1478722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1478722 is about 1216.0271378551. The cubic root of 1478722 is about 113.9275727493.

The spelling of 1478722 in words is "one million, four hundred seventy-eight thousand, seven hundred twenty-two".