22129026 has 8 divisors (see below), whose sum is σ = 44258064. Its totient is φ = 7376340.

The previous prime is 22129021. The next prime is 22129027. The reversal of 22129026 is 62092122.

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

22129026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22128987 and 22129005.

It is not an unprimeable number, because it can be changed into a prime (22129021) 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, 1844080 + ... + 1844091.

It is an arithmetic number, because the mean of its divisors is an integer number (5532258).

Almost surely, 2^22129026 is an apocalyptic number.

22129026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22129026 is a wasteful number, since it uses less digits than its factorization.

22129026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688176.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22129026 is about 4704.1498700615. The cubic root of 22129026 is about 280.7506473682.

The spelling of 22129026 in words is "twenty-two million, one hundred twenty-nine thousand, twenty-six".