1522497442 has 8 divisors (see below), whose sum is σ = 2284728732. Its totient is φ = 760921200.

The previous prime is 1522497421. The next prime is 1522497479. The reversal of 1522497442 is 2447942251.

It can be written as a sum of positive squares in 2 ways, for example, as 1516401481 + 6095961 = 38941^2 + 2469^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1522497395 and 1522497404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157909 + ... + 167272.

Almost surely, 2^1522497442 is an apocalyptic number.

1522497442 is a deficient number, since it is larger than the sum of its proper divisors (762231290).

1522497442 is a wasteful number, since it uses less digits than its factorization.

1522497442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327524.

The product of its digits is 161280, while the sum is 40.

The square root of 1522497442 is about 39019.1932515269. The cubic root of 1522497442 is about 1150.4087877533.

The spelling of 1522497442 in words is "one billion, five hundred twenty-two million, four hundred ninety-seven thousand, four hundred forty-two".