22129337 has 4 divisors (see below), whose sum is σ = 22262016. Its totient is φ = 21996660.

The previous prime is 22129333. The next prime is 22129361. The reversal of 22129337 is 73392122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22129337 - 2² = 22129333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22129333) 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 3 ways as a sum of consecutive naturals, for example, 66089 + ... + 66422.

It is an arithmetic number, because the mean of its divisors is an integer number (5565504).

Almost surely, 2^22129337 is an apocalyptic number.

It is an amenable number.

22129337 is a deficient number, since it is larger than the sum of its proper divisors (132679).

22129337 is a wasteful number, since it uses less digits than its factorization.

22129337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132678.

The product of its digits is 4536, while the sum is 29.

The square root of 22129337 is about 4704.1829258650. The cubic root of 22129337 is about 280.7519625796.

The spelling of 22129337 in words is "twenty-two million, one hundred twenty-nine thousand, three hundred thirty-seven".