1522254442 has 8 divisors (see below), whose sum is σ = 2357039232. Its totient is φ = 736574700.

The previous prime is 1522254427. The next prime is 1522254463. The reversal of 1522254442 is 2444522251.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

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 3 ways as a sum of consecutive naturals, for example, 12276184 + ... + 12276307.

It is an arithmetic number, because the mean of its divisors is an integer number (294629904).

Almost surely, 2^1522254442 is an apocalyptic number.

1522254442 is a deficient number, since it is larger than the sum of its proper divisors (834784790).

1522254442 is a wasteful number, since it uses less digits than its factorization.

1522254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552524.

The product of its digits is 25600, while the sum is 31.

The square root of 1522254442 is about 39016.0792750886. The cubic root of 1522254442 is about 1150.3475803796.

Adding to 1522254442 its reverse (2444522251), we get a palindrome (3966776693).

The spelling of 1522254442 in words is "one billion, five hundred twenty-two million, two hundred fifty-four thousand, four hundred forty-two".