22247141 has 8 divisors (see below), whose sum is σ = 26530944. Its totient is φ = 18239760.

The previous prime is 22247129. The next prime is 22247143. The reversal of 22247141 is 14174222.

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

It is not a de Polignac number, because 22247141 - 2⁶ = 22247077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22247143) 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, 68930 + ... + 69251.

It is an arithmetic number, because the mean of its divisors is an integer number (3316368).

Almost surely, 2^22247141 is an apocalyptic number.

It is an amenable number.

22247141 is a deficient number, since it is larger than the sum of its proper divisors (4283803).

22247141 is a wasteful number, since it uses less digits than its factorization.

22247141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138211.

The product of its digits is 896, while the sum is 23.

The square root of 22247141 is about 4716.6875028986. The cubic root of 22247141 is about 281.2492690681.

The spelling of 22247141 in words is "twenty-two million, two hundred forty-seven thousand, one hundred forty-one".