1020122222 has 16 divisors (see below), whose sum is σ = 1752354432. Its totient is φ = 436301880.

The previous prime is 1020122219. The next prime is 1020122261. The reversal of 1020122222 is 2222210201.

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 = 1020122197 and 1020122206.

It is a congruent 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, 67328 + ... + 81075.

It is an arithmetic number, because the mean of its divisors is an integer number (109522152).

Almost surely, 2^1020122222 is an apocalyptic number.

1020122222 is a deficient number, since it is larger than the sum of its proper divisors (732232210).

1020122222 is a wasteful number, since it uses less digits than its factorization.

1020122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148903.

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

The square root of 1020122222 is about 31939.3522476584. The cubic root of 1020122222 is about 1006.6629143075.

Adding to 1020122222 its reverse (2222210201), we get a palindrome (3242332423).

It can be divided in two parts, 10201 and 22222, that multiplied together give a palindrome (226686622).

The spelling of 1020122222 in words is "one billion, twenty million, one hundred twenty-two thousand, two hundred twenty-two".