2443622 has 4 divisors (see below), whose sum is σ = 3665436. Its totient is φ = 1221810.

The previous prime is 2443619. The next prime is 2443643. The reversal of 2443622 is 2263442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2263442 = 2 ⋅1131721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610904 + ... + 610907.

It is an arithmetic number, because the mean of its divisors is an integer number (916359).

2^2443622 is an apocalyptic number.

2443622 is a deficient number, since it is larger than the sum of its proper divisors (1221814).

2443622 is a wasteful number, since it uses less digits than its factorization.

2443622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221813.

The product of its digits is 2304, while the sum is 23.

The square root of 2443622 is about 1563.2088791969. The cubic root of 2443622 is about 134.6928912864.

The spelling of 2443622 in words is "two million, four hundred forty-three thousand, six hundred twenty-two".