1572422 has 4 divisors (see below), whose sum is σ = 2358636. Its totient is φ = 786210.

The previous prime is 1572419. The next prime is 1572427. The reversal of 1572422 is 2242751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393104 + ... + 393107.

It is an arithmetic number, because the mean of its divisors is an integer number (589659).

2^1572422 is an apocalyptic number.

1572422 is a deficient number, since it is larger than the sum of its proper divisors (786214).

1572422 is an equidigital number, since it uses as much as digits as its factorization.

1572422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786213.

The product of its digits is 1120, while the sum is 23.

The square root of 1572422 is about 1253.9625193761. The cubic root of 1572422 is about 116.2848232669.

The spelling of 1572422 in words is "one million, five hundred seventy-two thousand, four hundred twenty-two".