6922861 has 4 divisors (see below), whose sum is σ = 7552224. Its totient is φ = 6293500.

The previous prime is 6922847. The next prime is 6922879. The reversal of 6922861 is 1682296.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6922861 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 (6922801) 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, 314665 + ... + 314686.

It is an arithmetic number, because the mean of its divisors is an integer number (1888056).

Almost surely, 2^6922861 is an apocalyptic number.

It is an amenable number.

6922861 is a deficient number, since it is larger than the sum of its proper divisors (629363).

6922861 is a wasteful number, since it uses less digits than its factorization.

6922861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629362.

The product of its digits is 10368, while the sum is 34.

The square root of 6922861 is about 2631.1330259035. The cubic root of 6922861 is about 190.5878469562.

It can be divided in two parts, 692 and 2861, that added together give a palindrome (3553).

The spelling of 6922861 in words is "six million, nine hundred twenty-two thousand, eight hundred sixty-one".