2661422 has 16 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 1244760.

The previous prime is 2661419. The next prime is 2661427. The reversal of 2661422 is 2241662.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

2^2661422 is an apocalyptic number.

2661422 is a deficient number, since it is larger than the sum of its proper divisors (1596370).

2661422 is a wasteful number, since it uses less digits than its factorization.

2661422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its digits is 1152, while the sum is 23.

The square root of 2661422 is about 1631.3865268538. The cubic root of 2661422 is about 138.5812839860.

The spelling of 2661422 in words is "two million, six hundred sixty-one thousand, four hundred twenty-two".