1220550234 has 32 divisors (see below), whose sum is σ = 2571151680. Its totient is φ = 385201152.

The previous prime is 1220550217. The next prime is 1220550239. The reversal of 1220550234 is 4320550221.

It is not an unprimeable number, because it can be changed into a prime (1220550239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355912 + ... + 359324.

It is an arithmetic number, because the mean of its divisors is an integer number (80348490).

Almost surely, 2^1220550234 is an apocalyptic number.

1220550234 is an abundant number, since it is smaller than the sum of its proper divisors (1350601446).

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

1220550234 is a wasteful number, since it uses less digits than its factorization.

1220550234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1220550234 is about 34936.3740820366. The cubic root of 1220550234 is about 1068.6903457282.

The spelling of 1220550234 in words is "one billion, two hundred twenty million, five hundred fifty thousand, two hundred thirty-four".