874022621 has 4 divisors (see below), whose sum is σ = 897644892. Its totient is φ = 850400352.

The previous prime is 874022593. The next prime is 874022627. The reversal of 874022621 is 126220478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 587092900 + 286929721 = 24230^2 + 16939^2 .

It is a cyclic number.

It is not a de Polignac number, because 874022621 - 2²² = 869828317 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 (874022627) 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, 11811080 + ... + 11811153.

It is an arithmetic number, because the mean of its divisors is an integer number (224411223).

Almost surely, 2^874022621 is an apocalyptic number.

It is an amenable number.

874022621 is a deficient number, since it is larger than the sum of its proper divisors (23622271).

874022621 is a wasteful number, since it uses less digits than its factorization.

874022621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622270.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 874022621 is about 29563.8735790830. The cubic root of 874022621 is about 956.1093332266.

The spelling of 874022621 in words is "eight hundred seventy-four million, twenty-two thousand, six hundred twenty-one".