10228091904 has 264 divisors, whose sum is σ = 31286872032. Its totient is φ = 3211591680.

The previous prime is 10228091903. The next prime is 10228091917. The reversal of 10228091904 is 40919082201.

It is a super-2 number, since 2×10228091904² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10228091903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15473334 + ... + 15473994.

Almost surely, 2^10228091904 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 10228091904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15643436016).

10228091904 is an abundant number, since it is smaller than the sum of its proper divisors (21058780128).

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

10228091904 is a wasteful number, since it uses less digits than its factorization.

10228091904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 10228091904 in words is "ten billion, two hundred twenty-eight million, ninety-one thousand, nine hundred four".