2387222 has 16 divisors (see below), whose sum is σ = 3758400. Its totient is φ = 1135680.

The previous prime is 2387221. The next prime is 2387237. The reversal of 2387222 is 2227832.

It is a d-powerful number, because it can be written as 2 + 3⁹ + 8⁴ + 7² + 2¹² + 2¹⁸ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2387191 and 2387200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387221) 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, 4322 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (234900).

2^2387222 is an apocalyptic number.

2387222 is a deficient number, since it is larger than the sum of its proper divisors (1371178).

2387222 is a wasteful number, since it uses less digits than its factorization.

2387222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 2688, while the sum is 26.

The square root of 2387222 is about 1545.0637527300. The cubic root of 2387222 is about 133.6485555637.

The spelling of 2387222 in words is "two million, three hundred eighty-seven thousand, two hundred twenty-two".