1520122022 has 4 divisors (see below), whose sum is σ = 2280183036. Its totient is φ = 760061010.

The previous prime is 1520121979. The next prime is 1520122039. The reversal of 1520122022 is 2202210251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2202210251 = 3371 ⋅653281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380030504 + ... + 380030507.

It is an arithmetic number, because the mean of its divisors is an integer number (570045759).

Almost surely, 2^1520122022 is an apocalyptic number.

1520122022 is a deficient number, since it is larger than the sum of its proper divisors (760061014).

1520122022 is an equidigital number, since it uses as much as digits as its factorization.

1520122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760061013.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1520122022 is about 38988.7422469615. The cubic root of 1520122022 is about 1149.8101821551.

Adding to 1520122022 its reverse (2202210251), we get a palindrome (3722332273).

The spelling of 1520122022 in words is "one billion, five hundred twenty million, one hundred twenty-two thousand, twenty-two".