1220046522 has 8 divisors (see below), whose sum is σ = 2440093056. Its totient is φ = 406682172.

The previous prime is 1220046511. The next prime is 1220046577. The reversal of 1220046522 is 2256400221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1220046522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1220046492 and 1220046501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101670538 + ... + 101670549.

It is an arithmetic number, because the mean of its divisors is an integer number (305011632).

Almost surely, 2^1220046522 is an apocalyptic number.

1220046522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220046522 is a wasteful number, since it uses less digits than its factorization.

1220046522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203341092.

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

The square root of 1220046522 is about 34929.1643472901. The cubic root of 1220046522 is about 1068.5433119817.

Adding to 1220046522 its reverse (2256400221), we get a palindrome (3476446743).

The spelling of 1220046522 in words is "one billion, two hundred twenty million, forty-six thousand, five hundred twenty-two".