1022222001 has 8 divisors (see below), whose sum is σ = 1380215680. Its totient is φ = 672854832.

The previous prime is 1022221999. The next prime is 1022222017. The reversal of 1022222001 is 1002222201.

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

It is not a de Polignac number, because 1022222001 - 2¹ = 1022221999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156350 + ... + 2156823.

It is an arithmetic number, because the mean of its divisors is an integer number (172526960).

Almost surely, 2^1022222001 is an apocalyptic number.

It is an amenable number.

1022222001 is a deficient number, since it is larger than the sum of its proper divisors (357993679).

1022222001 is an equidigital number, since it uses as much as digits as its factorization.

1022222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313255.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1022222001 is about 31972.2066958163. The cubic root of 1022222001 is about 1007.3531325834.

Adding to 1022222001 its reverse (1002222201), we get a palindrome (2024444202).

It can be divided in two parts, 102222200 and 1, that added together give a palindrome (102222201).

The spelling of 1022222001 in words is "one billion, twenty-two million, two hundred twenty-two thousand, one".