1220422298 has 16 divisors (see below), whose sum is σ = 1837351080. Its totient is φ = 607977216.

The previous prime is 1220422279. The next prime is 1220422309. The reversal of 1220422298 is 8922240221.

It can be written as a sum of positive squares in 4 ways, for example, as 767456209 + 452966089 = 27703^2 + 21283^2 .

It is a Curzon 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, 1022390 + ... + 1023582.

Almost surely, 2^1220422298 is an apocalyptic number.

1220422298 is a deficient number, since it is larger than the sum of its proper divisors (616928782).

1220422298 is a wasteful number, since it uses less digits than its factorization.

1220422298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1220422298 is about 34934.5430483927. The cubic root of 1220422298 is about 1068.6530049886.

The spelling of 1220422298 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, two hundred ninety-eight".