1442247373 has 16 divisors (see below), whose sum is σ = 1662716160. Its totient is φ = 1225426176.

The previous prime is 1442247337. The next prime is 1442247409. The reversal of 1442247373 is 3737422441.

It is an interprime number because it is at equal distance from previous prime (1442247337) and next prime (1442247409).

It is a cyclic number.

It is not a de Polignac number, because 1442247373 - 2¹⁷ = 1442116301 is a prime.

It is a super-2 number, since 2×1442247373² = 4160154969850802258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442247073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551493 + ... + 554101.

It is an arithmetic number, because the mean of its divisors is an integer number (103919760).

Almost surely, 2^1442247373 is an apocalyptic number.

It is an amenable number.

1442247373 is a deficient number, since it is larger than the sum of its proper divisors (220468787).

1442247373 is a wasteful number, since it uses less digits than its factorization.

1442247373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its digits is 112896, while the sum is 37.

The square root of 1442247373 is about 37976.9321167469. The cubic root of 1442247373 is about 1129.8303901331.

The spelling of 1442247373 in words is "one billion, four hundred forty-two million, two hundred forty-seven thousand, three hundred seventy-three".