1220020222 has 8 divisors (see below), whose sum is σ = 1830839472. Its totient is φ = 609740400.

The previous prime is 1220020199. The next prime is 1220020247. The reversal of 1220020222 is 2220200221.

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, 129154 + ... + 138277.

It is an arithmetic number, because the mean of its divisors is an integer number (228854934).

Almost surely, 2^1220020222 is an apocalyptic number.

1220020222 is a deficient number, since it is larger than the sum of its proper divisors (610819250).

1220020222 is a wasteful number, since it uses less digits than its factorization.

1220020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269714.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1220020222 is about 34928.7878690343. The cubic root of 1220020222 is about 1068.5356338890.

Adding to 1220020222 its reverse (2220200221), we get a palindrome (3440220443).

The spelling of 1220020222 in words is "one billion, two hundred twenty million, twenty thousand, two hundred twenty-two".