1220211302 has 8 divisors (see below), whose sum is σ = 1839608496. Its totient is φ = 607008472.

The previous prime is 1220211277. The next prime is 1220211313. The reversal of 1220211302 is 2031120221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548098 + ... + 1548885.

It is an arithmetic number, because the mean of its divisors is an integer number (229951062).

Almost surely, 2^1220211302 is an apocalyptic number.

1220211302 is a deficient number, since it is larger than the sum of its proper divisors (619397194).

1220211302 is a wasteful number, since it uses less digits than its factorization.

1220211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097182.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220211302 is about 34931.5230415165. The cubic root of 1220211302 is about 1068.5914157869.

Adding to 1220211302 its reverse (2031120221), we get a palindrome (3251331523).

The spelling of 1220211302 in words is "one billion, two hundred twenty million, two hundred eleven thousand, three hundred two".