1020222444 has 24 divisors (see below), whose sum is σ = 2391012288. Its totient is φ = 338575120.

The previous prime is 1020222419. The next prime is 1020222473. The reversal of 1020222444 is 4442220201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020222444.

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, 184542 + ... + 189989.

It is an arithmetic number, because the mean of its divisors is an integer number (99625512).

Almost surely, 2^1020222444 is an apocalyptic number.

It is an amenable number.

1020222444 is an abundant number, since it is smaller than the sum of its proper divisors (1370789844).

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

1020222444 is a wasteful number, since it uses less digits than its factorization.

1020222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374765 (or 374763 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1020222444 is about 31940.9211514008. The cubic root of 1020222444 is about 1006.6958797910.

Adding to 1020222444 its reverse (4442220201), we get a palindrome (5462442645).

The spelling of 1020222444 in words is "one billion, twenty million, two hundred twenty-two thousand, four hundred forty-four".