1220552610 has 32 divisors (see below), whose sum is σ = 2930247360. Its totient is φ = 325378368.

The previous prime is 1220552603. The next prime is 1220552611. The reversal of 1220552610 is 162550221.

It is a happy number.

It is a super-4 number, since 4×1220552610⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220552611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174256 + ... + 181124.

It is an arithmetic number, because the mean of its divisors is an integer number (91570230).

Almost surely, 2^1220552610 is an apocalyptic number.

1220552610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220552610 is an abundant number, since it is smaller than the sum of its proper divisors (1709694750).

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

1220552610 is a wasteful number, since it uses less digits than its factorization.

1220552610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1220552610 is about 34936.4080866937. The cubic root of 1220552610 is about 1068.6910391877.

The spelling of 1220552610 in words is "one billion, two hundred twenty million, five hundred fifty-two thousand, six hundred ten".