1495221994 has 16 divisors (see below), whose sum is σ = 2566263168. Its totient is φ = 640053072.

The previous prime is 1495221979. The next prime is 1495222013. The reversal of 1495221994 is 4991225941.

It is a happy number.

It is a super-2 number, since 2×1495221994² = 4471377622682672072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50662 + ... + 74545.

It is an arithmetic number, because the mean of its divisors is an integer number (160391448).

Almost surely, 2^1495221994 is an apocalyptic number.

1495221994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1495221994 is a deficient number, since it is larger than the sum of its proper divisors (1071041174).

1495221994 is a wasteful number, since it uses less digits than its factorization.

1495221994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126069.

The product of its digits is 233280, while the sum is 46.

The square root of 1495221994 is about 38668.1004705429. The cubic root of 1495221994 is about 1143.4975160717.

The spelling of 1495221994 in words is "one billion, four hundred ninety-five million, two hundred twenty-one thousand, nine hundred ninety-four".