901224693 has 12 divisors (see below), whose sum is σ = 1302827500. Its totient is φ = 600327936.

The previous prime is 901224679. The next prime is 901224713. The reversal of 901224693 is 396422109.

It can be written as a sum of positive squares in 2 ways, for example, as 276124689 + 625100004 = 16617^2 + 25002^2 .

It is not a de Polignac number, because 901224693 - 2⁶ = 901224629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901224613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28846 + ... + 51327.

Almost surely, 2^901224693 is an apocalyptic number.

It is an amenable number.

901224693 is a deficient number, since it is larger than the sum of its proper divisors (401602807).

901224693 is a wasteful number, since it uses less digits than its factorization.

901224693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81428 (or 81425 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 901224693 is about 30020.4046108643. The cubic root of 901224693 is about 965.9271224421.

The spelling of 901224693 in words is "nine hundred one million, two hundred twenty-four thousand, six hundred ninety-three".