Search a number
-
+
22210814 = 211105407
BaseRepresentation
bin101010010111…
…0100011111110
31112210102111202
41110232203332
521141221224
62112015502
7356534363
oct124564376
945712452
1022210814
11115a034a
127531592
1347a87c2
142d4246a
151e3aeae
hex152e8fe

22210814 has 4 divisors (see below), whose sum is σ = 33316224. Its totient is φ = 11105406.

The previous prime is 22210777. The next prime is 22210819. The reversal of 22210814 is 41801222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552702 + ... + 5552705.

It is an arithmetic number, because the mean of its divisors is an integer number (8329056).

Almost surely, 222210814 is an apocalyptic number.

22210814 is a deficient number, since it is larger than the sum of its proper divisors (11105410).

22210814 is a wasteful number, since it uses less digits than its factorization.

22210814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105409.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22210814 is about 4712.8350278787. The cubic root of 22210814 is about 281.0961031957.

The spelling of 22210814 in words is "twenty-two million, two hundred ten thousand, eight hundred fourteen".

Divisors: 1 2 11105407 22210814