22276642 has 8 divisors (see below), whose sum is σ = 34045596. Its totient is φ = 10928112.

The previous prime is 22276633. The next prime is 22276643. The reversal of 22276642 is 24667222.

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 177241 = 4701^2 + 421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22276643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104973 + ... + 105184.

Almost surely, 2^22276642 is an apocalyptic number.

22276642 is a deficient number, since it is larger than the sum of its proper divisors (11768954).

22276642 is a wasteful number, since it uses less digits than its factorization.

22276642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210212.

The product of its digits is 16128, while the sum is 31.

The square root of 22276642 is about 4719.8137675124. The cubic root of 22276642 is about 281.3735317751.

The spelling of 22276642 in words is "twenty-two million, two hundred seventy-six thousand, six hundred forty-two".