22420011 has 4 divisors (see below), whose sum is σ = 29893352. Its totient is φ = 14946672.

The previous prime is 22420003. The next prime is 22420033. The reversal of 22420011 is 11002422.

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

It is not a de Polignac number, because 22420011 - 2³ = 22420003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22620011) 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, 3736666 + ... + 3736671.

It is an arithmetic number, because the mean of its divisors is an integer number (7473338).

Almost surely, 2^22420011 is an apocalyptic number.

22420011 is a deficient number, since it is larger than the sum of its proper divisors (7473341).

22420011 is an equidigital number, since it uses as much as digits as its factorization.

22420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473340.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22420011 is about 4734.9774022692. The cubic root of 22420011 is about 281.9758668549.

Adding to 22420011 its reverse (11002422), we get a palindrome (33422433).

The spelling of 22420011 in words is "twenty-two million, four hundred twenty thousand, eleven".