1520222442 has 16 divisors (see below), whose sum is σ = 3041050080. Its totient is φ = 506639952.

The previous prime is 1520222401. The next prime is 1520222447. The reversal of 1520222442 is 2442220251.

It is a super-2 number, since 2×1520222442² = 4622152546320886728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1520222447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11568 + ... + 56340.

It is an arithmetic number, because the mean of its divisors is an integer number (190065630).

Almost surely, 2^1520222442 is an apocalyptic number.

1520222442 is an abundant number, since it is smaller than the sum of its proper divisors (1520827638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1520222442 is a wasteful number, since it uses less digits than its factorization.

1520222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50437.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1520222442 is about 38990.0300333303. The cubic root of 1520222442 is about 1149.8355006042.

Adding to 1520222442 its reverse (2442220251), we get a palindrome (3962442693).

The spelling of 1520222442 in words is "one billion, five hundred twenty million, two hundred twenty-two thousand, four hundred forty-two".