2221223530 has 32 divisors (see below), whose sum is σ = 4080767040. Its totient is φ = 870291840.

The previous prime is 2221223527. The next prime is 2221223603. The reversal of 2221223530 is 353221222.

It is a super-3 number, since 3×2221223530³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110670 + ... + 129190.

It is an arithmetic number, because the mean of its divisors is an integer number (127523970).

Almost surely, 2^2221223530 is an apocalyptic number.

2221223530 is a deficient number, since it is larger than the sum of its proper divisors (1859543510).

2221223530 is a wasteful number, since it uses less digits than its factorization.

2221223530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18774.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2221223530 is about 47129.8581580722. The cubic root of 2221223530 is about 1304.7603637043.

Adding to 2221223530 its reverse (353221222), we get a palindrome (2574444752).

The spelling of 2221223530 in words is "two billion, two hundred twenty-one million, two hundred twenty-three thousand, five hundred thirty".