1012223004 has 24 divisors (see below), whose sum is σ = 2543535120. Its totient is φ = 311453184.

The previous prime is 1012222963. The next prime is 1012223021. The reversal of 1012223004 is 4003222101.

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, 3244149 + ... + 3244460.

It is an arithmetic number, because the mean of its divisors is an integer number (105980630).

Almost surely, 2^1012223004 is an apocalyptic number.

It is an amenable number.

1012223004 is an abundant number, since it is smaller than the sum of its proper divisors (1531312116).

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

1012223004 is a wasteful number, since it uses less digits than its factorization.

1012223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488629 (or 6488627 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1012223004 is about 31815.4522834424. The cubic root of 1012223004 is about 1004.0578462779.

Adding to 1012223004 its reverse (4003222101), we get a palindrome (5015445105).

The spelling of 1012223004 in words is "one billion, twelve million, two hundred twenty-three thousand, four".