1220370522 has 16 divisors (see below), whose sum is σ = 2789418432. Its totient is φ = 348677280.

The previous prime is 1220370511. The next prime is 1220370523. The reversal of 1220370522 is 2250730221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220370492 and 1220370501.

It is not an unprimeable number, because it can be changed into a prime (1220370523) 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, 14528179 + ... + 14528262.

It is an arithmetic number, because the mean of its divisors is an integer number (174338652).

Almost surely, 2^1220370522 is an apocalyptic number.

1220370522 is an abundant number, since it is smaller than the sum of its proper divisors (1569047910).

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

1220370522 is a wasteful number, since it uses less digits than its factorization.

1220370522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29056453.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1220370522 is about 34933.8019974923. The cubic root of 1220370522 is about 1068.6378923617.

The spelling of 1220370522 in words is "one billion, two hundred twenty million, three hundred seventy thousand, five hundred twenty-two".