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22391714 = 211195857
BaseRepresentation
bin101010101101…
…0101110100010
31120010121122202
41111122232202
521213013324
62115533202
7361216652
oct125325642
946117582
1022391714
1111704254
1275ba202
13483cc47
142d8c362
151e748ae
hex155aba2

22391714 has 4 divisors (see below), whose sum is σ = 33587574. Its totient is φ = 11195856.

The previous prime is 22391713. The next prime is 22391717. The reversal of 22391714 is 41719322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41719322 = 220859661.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 2455489 = 4465^2 + 1567^2 .

It is not an unprimeable number, because it can be changed into a prime (22391711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597927 + ... + 5597930.

Almost surely, 222391714 is an apocalyptic number.

22391714 is a deficient number, since it is larger than the sum of its proper divisors (11195860).

22391714 is a wasteful number, since it uses less digits than its factorization.

22391714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195859.

The product of its digits is 3024, while the sum is 29.

The square root of 22391714 is about 4731.9883769933. The cubic root of 22391714 is about 281.8571867118.

The spelling of 22391714 in words is "twenty-two million, three hundred ninety-one thousand, seven hundred fourteen".

Divisors: 1 2 11195857 22391714