22284469 has 2 divisors, whose sum is σ = 22284470. Its totient is φ = 22284468.

The previous prime is 22284463. The next prime is 22284497. The reversal of 22284469 is 96448222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21996100 + 288369 = 4690^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 22284469 - 2³ = 22284461 is a prime.

It is a super-2 number, since 2×22284469² = 993195117223922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22284461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11142234 + 11142235.

It is an arithmetic number, because the mean of its divisors is an integer number (11142235).

Almost surely, 2^22284469 is an apocalyptic number.

It is an amenable number.

22284469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22284469 is an equidigital number, since it uses as much as digits as its factorization.

22284469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 22284469 is about 4720.6428587640. The cubic root of 22284469 is about 281.4064818752.

The spelling of 22284469 in words is "twenty-two million, two hundred eighty-four thousand, four hundred sixty-nine".