22723282 has 4 divisors (see below), whose sum is σ = 34084926. Its totient is φ = 11361640.

The previous prime is 22723277. The next prime is 22723289. The reversal of 22723282 is 28232722.

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

It can be written as a sum of positive squares in only one way, i.e., 12680721 + 10042561 = 3561^2 + 3169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22723282.

It is not an unprimeable number, because it can be changed into a prime (22723289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680819 + ... + 5680822.

Almost surely, 2^22723282 is an apocalyptic number.

22723282 is a deficient number, since it is larger than the sum of its proper divisors (11361644).

22723282 is a wasteful number, since it uses less digits than its factorization.

22723282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361643.

The product of its digits is 5376, while the sum is 28.

The square root of 22723282 is about 4766.8943768454. The cubic root of 22723282 is about 283.2415872115.

It can be divided in two parts, 22723 and 282, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22723282 in words is "twenty-two million, seven hundred twenty-three thousand, two hundred eighty-two".