2222121030 has 16 divisors (see below), whose sum is σ = 5333090544. Its totient is φ = 592565600.

The previous prime is 2222121007. The next prime is 2222121053. The reversal of 2222121030 is 301212222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2222121007) and next prime (2222121053).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37035321 + ... + 37035380.

It is an arithmetic number, because the mean of its divisors is an integer number (333318159).

Almost surely, 2^2222121030 is an apocalyptic number.

2222121030 is an abundant number, since it is smaller than the sum of its proper divisors (3110969514).

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

2222121030 is a wasteful number, since it uses less digits than its factorization.

2222121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070711.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2222121030 is about 47139.3787612862. The cubic root of 2222121030 is about 1304.9360723811.

Adding to 2222121030 its reverse (301212222), we get a palindrome (2523333252).

The spelling of 2222121030 in words is "two billion, two hundred twenty-two million, one hundred twenty-one thousand, thirty".