22429147 has 8 divisors (see below), whose sum is σ = 24258080. Its totient is φ = 20615040.

The previous prime is 22429081. The next prime is 22429159. The reversal of 22429147 is 74192422.

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

It is a cyclic number.

It is not a de Polignac number, because 22429147 - 2¹⁵ = 22396379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22424147) 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, 447 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (3032260).

Almost surely, 2^22429147 is an apocalyptic number.

22429147 is a deficient number, since it is larger than the sum of its proper divisors (1828933).

22429147 is a wasteful number, since it uses less digits than its factorization.

22429147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its digits is 8064, while the sum is 31.

The square root of 22429147 is about 4735.9420393413. The cubic root of 22429147 is about 282.0141627278.

The spelling of 22429147 in words is "twenty-two million, four hundred twenty-nine thousand, one hundred forty-seven".