22061667 has 4 divisors (see below), whose sum is σ = 29415560. Its totient is φ = 14707776.

The previous prime is 22061647. The next prime is 22061671. The reversal of 22061667 is 76616022.

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

It is not a de Polignac number, because 22061667 - 2⁸ = 22061411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22061647) 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, 3676942 + ... + 3676947.

It is an arithmetic number, because the mean of its divisors is an integer number (7353890).

Almost surely, 2^22061667 is an apocalyptic number.

22061667 is a deficient number, since it is larger than the sum of its proper divisors (7353893).

22061667 is an equidigital number, since it uses as much as digits as its factorization.

22061667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353892.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 22061667 is about 4696.9848839442. The cubic root of 22061667 is about 280.4654969461.

Adding to 22061667 its reverse (76616022), we get a palindrome (98677689).

The spelling of 22061667 in words is "twenty-two million, sixty-one thousand, six hundred sixty-seven".