1022220122 has 32 divisors (see below), whose sum is σ = 1913169024. Its totient is φ = 397958400.

The previous prime is 1022220109. The next prime is 1022220137. The reversal of 1022220122 is 2210222201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1022220097 and 1022220106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386918 + ... + 389550.

It is an arithmetic number, because the mean of its divisors is an integer number (59786532).

Almost surely, 2^1022220122 is an apocalyptic number.

1022220122 is a deficient number, since it is larger than the sum of its proper divisors (890948902).

1022220122 is a wasteful number, since it uses less digits than its factorization.

1022220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022220122 is about 31972.1773109058. The cubic root of 1022220122 is about 1007.3525153602.

Adding to 1022220122 its reverse (2210222201), we get a palindrome (3232442323).

It can be divided in two parts, 10222201 and 22, that multiplied together give a palindrome (224888422).

The spelling of 1022220122 in words is "one billion, twenty-two million, two hundred twenty thousand, one hundred twenty-two".