22012061 has 8 divisors (see below), whose sum is σ = 22391424. Its totient is φ = 21636160.

The previous prime is 22012057. The next prime is 22012069. The reversal of 22012061 is 16021022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012061 - 2² = 22012057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14060 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (2798928).

Almost surely, 2^22012061 is an apocalyptic number.

It is an amenable number.

22012061 is a deficient number, since it is larger than the sum of its proper divisors (379363).

22012061 is a wasteful number, since it uses less digits than its factorization.

22012061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22012061 is about 4691.7012905768. The cubic root of 22012061 is about 280.2551288570.

Adding to 22012061 its reverse (16021022), we get a palindrome (38033083).

The spelling of 22012061 in words is "twenty-two million, twelve thousand, sixty-one".