22261129 has 8 divisors (see below), whose sum is σ = 24321888. Its totient is φ = 20206560.

The previous prime is 22261123. The next prime is 22261147. The reversal of 22261129 is 92116222.

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

It is not a de Polignac number, because 22261129 - 2⁹ = 22260617 is a prime.

It is a pancake number, because a pancake can be divided into 22261129 parts by 6672 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22261123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (3040236).

Almost surely, 2^22261129 is an apocalyptic number.

It is an amenable number.

22261129 is a deficient number, since it is larger than the sum of its proper divisors (2060759).

22261129 is a wasteful number, since it uses less digits than its factorization.

22261129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its digits is 864, while the sum is 25.

The square root of 22261129 is about 4718.1700901939. The cubic root of 22261129 is about 281.3082023415.

The spelling of 22261129 in words is "twenty-two million, two hundred sixty-one thousand, one hundred twenty-nine".