2221130302 has 4 divisors (see below), whose sum is σ = 3331695456. Its totient is φ = 1110565150.

The previous prime is 2221130293. The next prime is 2221130321. The reversal of 2221130302 is 2030311222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2030311222 = 2 ⋅1015155611.

It is a super-2 number, since 2×2221130302² = 9866839636925222408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555282574 + ... + 555282577.

It is an arithmetic number, because the mean of its divisors is an integer number (832923864).

Almost surely, 2^2221130302 is an apocalyptic number.

2221130302 is a deficient number, since it is larger than the sum of its proper divisors (1110565154).

2221130302 is a wasteful number, since it uses less digits than its factorization.

2221130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110565153.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2221130302 is about 47128.8690931578. The cubic root of 2221130302 is about 1304.7421092154.

Adding to 2221130302 its reverse (2030311222), we get a palindrome (4251441524).

The spelling of 2221130302 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, three hundred two".