921226048 has 28 divisors (see below), whose sum is σ = 1872650052. Its totient is φ = 449377280.

The previous prime is 921226013. The next prime is 921226051. The reversal of 921226048 is 840622129.

It can be written as a sum of positive squares in 2 ways, for example, as 66716224 + 854509824 = 8168^2 + 29232^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172915 + ... + 178162.

It is an arithmetic number, because the mean of its divisors is an integer number (66880359).

Almost surely, 2^921226048 is an apocalyptic number.

It is an amenable number.

921226048 is an abundant number, since it is smaller than the sum of its proper divisors (951424004).

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

921226048 is a wasteful number, since it uses less digits than its factorization.

921226048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351130 (or 351120 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 921226048 is about 30351.7058499189. The cubic root of 921226048 is about 973.0206781285.

The spelling of 921226048 in words is "nine hundred twenty-one million, two hundred twenty-six thousand, forty-eight".