22129045 has 8 divisors (see below), whose sum is σ = 26875296. Its totient is φ = 17489616.

The previous prime is 22129039. The next prime is 22129061. The reversal of 22129045 is 54092122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22129045 is a prime.

It is a super-2 number, since 2×22129045² = 979389265224050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26247 + ... + 27076.

It is an arithmetic number, because the mean of its divisors is an integer number (3359412).

Almost surely, 2^22129045 is an apocalyptic number.

It is an amenable number.

22129045 is a deficient number, since it is larger than the sum of its proper divisors (4746251).

22129045 is an equidigital number, since it uses as much as digits as its factorization.

22129045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53411.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22129045 is about 4704.1518895546. The cubic root of 22129045 is about 280.7507277191.

The spelling of 22129045 in words is "twenty-two million, one hundred twenty-nine thousand, forty-five".