1520222622 has 16 divisors (see below), whose sum is σ = 3058022160. Its totient is φ = 503811392.

The previous prime is 1520222621. The next prime is 1520222653. The reversal of 1520222622 is 2262220251.

It is a happy number.

It is a super-2 number, since 2×1520222622² = 4622153640881109768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520222592 and 1520222601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520222621) 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, 731247 + ... + 733322.

It is an arithmetic number, because the mean of its divisors is an integer number (191126385).

Almost surely, 2^1520222622 is an apocalyptic number.

1520222622 is an abundant number, since it is smaller than the sum of its proper divisors (1537799538).

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

1520222622 is a wasteful number, since it uses less digits than its factorization.

1520222622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464747.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1520222622 is about 38990.0323416126. The cubic root of 1520222622 is about 1149.8355459858.

Adding to 1520222622 its reverse (2262220251), we get a palindrome (3782442873).

The spelling of 1520222622 in words is "one billion, five hundred twenty million, two hundred twenty-two thousand, six hundred twenty-two".