912226481 has 4 divisors (see below), whose sum is σ = 912305652. Its totient is φ = 912147312.

The previous prime is 912226457. The next prime is 912226487. The reversal of 912226481 is 184622219.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184622219 = 23 ⋅8027053.

It can be written as a sum of positive squares in 2 ways, for example, as 138274081 + 773952400 = 11759^2 + 27820^2 .

It is a cyclic number.

It is not a de Polignac number, because 912226481 - 2¹⁴ = 912210097 is a prime.

It is a super-2 number, since 2×912226481² = 1664314305275286722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912226487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18590 + ... + 46583.

It is an arithmetic number, because the mean of its divisors is an integer number (228076413).

Almost surely, 2^912226481 is an apocalyptic number.

It is an amenable number.

912226481 is a deficient number, since it is larger than the sum of its proper divisors (79171).

912226481 is a wasteful number, since it uses less digits than its factorization.

912226481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79170.

The product of its digits is 13824, while the sum is 35.

The square root of 912226481 is about 30203.0872759723. The cubic root of 912226481 is about 969.8417855817.

The spelling of 912226481 in words is "nine hundred twelve million, two hundred twenty-six thousand, four hundred eighty-one".