1520222022 has 24 divisors (see below), whose sum is σ = 3593252520. Its totient is φ = 460673280.

The previous prime is 1520222009. The next prime is 1520222023. The reversal of 1520222022 is 2202220251.

It is a super-2 number, since 2×1520222022² = 4622149992347536968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1520221986 and 1520222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520222023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3838747 + ... + 3839142.

It is an arithmetic number, because the mean of its divisors is an integer number (149718855).

Almost surely, 2^1520222022 is an apocalyptic number.

1520222022 is an abundant number, since it is smaller than the sum of its proper divisors (2073030498).

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

1520222022 is a wasteful number, since it uses less digits than its factorization.

1520222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677908 (or 7677905 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1520222022 is about 38990.0246473377. The cubic root of 1520222022 is about 1149.8353947138.

Adding to 1520222022 its reverse (2202220251), we get a palindrome (3722442273).

The spelling of 1520222022 in words is "one billion, five hundred twenty million, two hundred twenty-two thousand, twenty-two".