1022222101 has 8 divisors (see below), whose sum is σ = 1048497824. Its totient is φ = 996060240.

The previous prime is 1022222093. The next prime is 1022222147. The reversal of 1022222101 is 1012222201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1022222101 - 2³ = 1022222093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022292101) 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, 10131 + ... + 46336.

It is an arithmetic number, because the mean of its divisors is an integer number (131062228).

Almost surely, 2^1022222101 is an apocalyptic number.

It is an amenable number.

1022222101 is a deficient number, since it is larger than the sum of its proper divisors (26275723).

1022222101 is an equidigital number, since it uses as much as digits as its factorization.

1022222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56931.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022222101 is about 31972.2082596745. The cubic root of 1022222101 is about 1007.3531654319.

Adding to 1022222101 its reverse (1012222201), we get a palindrome (2034444302).

It can be divided in two parts, 10222 and 22101, that added together give a palindrome (32323).

The spelling of 1022222101 in words is "one billion, twenty-two million, two hundred twenty-two thousand, one hundred one".