1522275542 has 4 divisors (see below), whose sum is σ = 2283413316. Its totient is φ = 761137770.

The previous prime is 1522275541. The next prime is 1522275589. The reversal of 1522275542 is 2455722251.

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 (1522275541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380568884 + ... + 380568887.

It is an arithmetic number, because the mean of its divisors is an integer number (570853329).

Almost surely, 2^1522275542 is an apocalyptic number.

1522275542 is a deficient number, since it is larger than the sum of its proper divisors (761137774).

1522275542 is an equidigital number, since it uses as much as digits as its factorization.

1522275542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761137773.

The product of its digits is 56000, while the sum is 35.

The square root of 1522275542 is about 39016.3496754886. The cubic root of 1522275542 is about 1150.3528953522.

Adding to 1522275542 its reverse (2455722251), we get a palindrome (3977997793).

The spelling of 1522275542 in words is "one billion, five hundred twenty-two million, two hundred seventy-five thousand, five hundred forty-two".