Search a number
-
+
22284488 = 2316692
BaseRepresentation
bin101010100000…
…0100011001000
31112221011120102
41111000203020
521201100423
62113344532
7360262232
oct125004310
945834512
1022284488
1111640736
127568148
1348031b5
142d61252
151e52c28
hex15408c8

22284488 has 12 divisors (see below), whose sum is σ = 41808465. Its totient is φ = 11135568.

The previous prime is 22284469. The next prime is 22284497. The reversal of 22284488 is 88448222.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 24964 = 4718^2 + 158^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=3338.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12518 + ... + 14186.

Almost surely, 222284488 is an apocalyptic number.

It is an amenable number.

22284488 is a deficient number, since it is larger than the sum of its proper divisors (19523977).

22284488 is an frugal number, since it uses more digits than its factorization.

22284488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 1671 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 22284488 is about 4720.6448712014. The cubic root of 22284488 is about 281.4065618520.

The spelling of 22284488 in words is "twenty-two million, two hundred eighty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 1669 3338 6676 13352 2785561 5571122 11142244 22284488