2784622 has 4 divisors (see below), whose sum is σ = 4176936. Its totient is φ = 1392310.

The previous prime is 2784619. The next prime is 2784629. The reversal of 2784622 is 2264872.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696154 + ... + 696157.

It is an arithmetic number, because the mean of its divisors is an integer number (1044234).

2^2784622 is an apocalyptic number.

2784622 is a deficient number, since it is larger than the sum of its proper divisors (1392314).

2784622 is a wasteful number, since it uses less digits than its factorization.

2784622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392313.

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

The square root of 2784622 is about 1668.7186701179. The cubic root of 2784622 is about 140.6874690029.

It can be divided in two parts, 278 and 4622, that added together give a square (4900 = 70²).

The spelling of 2784622 in words is "two million, seven hundred eighty-four thousand, six hundred twenty-two".