2022394 has 24 divisors (see below), whose sum is σ = 3413844. Its totient is φ = 897600.

The previous prime is 2022389. The next prime is 2022401. The reversal of 2022394 is 4932202.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 131769 = 1375^2 + 363^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14694 + ... + 14830.

2^2022394 is an apocalyptic number.

2022394 is a deficient number, since it is larger than the sum of its proper divisors (1391450).

2022394 is a wasteful number, since it uses less digits than its factorization.

2022394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2022394 is about 1422.1089972291. The cubic root of 2022394 is about 126.4606052503.

Adding to 2022394 its reverse (4932202), we get a palindrome (6954596).

The spelling of 2022394 in words is "two million, twenty-two thousand, three hundred ninety-four".