1022412204 has 144 divisors (see below), whose sum is σ = 2919396480. Its totient is φ = 299013120.

The previous prime is 1022412199. The next prime is 1022412221. The reversal of 1022412204 is 4022142201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1651407 + ... + 1652025.

Almost surely, 2^1022412204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022412204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459698240).

1022412204 is an abundant number, since it is smaller than the sum of its proper divisors (1896984276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022412204 is a wasteful number, since it uses less digits than its factorization.

1022412204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1022412204 is about 31975.1810628181. The cubic root of 1022412204 is about 1007.4156075009.

Adding to 1022412204 its reverse (4022142201), we get a palindrome (5044554405).

It can be divided in two parts, 102 and 2412204, that added together give a triangular number (2412306 = T₂₁₉₆).

The spelling of 1022412204 in words is "one billion, twenty-two million, four hundred twelve thousand, two hundred four".