2422786 has 4 divisors (see below), whose sum is σ = 3634182. Its totient is φ = 1211392.

The previous prime is 2422781. The next prime is 2422793. The reversal of 2422786 is 6872242.

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

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 4761 = 1555^2 + 69^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605695 + ... + 605698.

2^2422786 is an apocalyptic number.

2422786 is a deficient number, since it is larger than the sum of its proper divisors (1211396).

2422786 is a wasteful number, since it uses less digits than its factorization.

2422786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211395.

The product of its digits is 10752, while the sum is 31.

The square root of 2422786 is about 1556.5301153527. The cubic root of 2422786 is about 134.3089699748.

The spelling of 2422786 in words is "two million, four hundred twenty-two thousand, seven hundred eighty-six".