1220210098 has 4 divisors (see below), whose sum is σ = 1830315150. Its totient is φ = 610105048.

The previous prime is 1220210083. The next prime is 1220210107. The reversal of 1220210098 is 8900120221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8900120221 = 1877 ⋅4741673.

It can be written as a sum of positive squares in only one way, i.e., 835383409 + 384826689 = 28903^2 + 19617^2 .

It is a super-2 number, since 2×1220210098² = 2977825366522339208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305052523 + ... + 305052526.

Almost surely, 2^1220210098 is an apocalyptic number.

1220210098 is a deficient number, since it is larger than the sum of its proper divisors (610105052).

1220210098 is an equidigital number, since it uses as much as digits as its factorization.

1220210098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610105051.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1220210098 is about 34931.5058077948. The cubic root of 1220210098 is about 1068.5910643220.

The spelling of 1220210098 in words is "one billion, two hundred twenty million, two hundred ten thousand, ninety-eight".