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22136069 = 101219169
BaseRepresentation
bin101010001110…
…0010100000101
31112122121222102
41110130110011
521131323234
62110241445
7356103434
oct124342405
945577872
1022136069
111154a17a
1274b6285
134780787
142d2311b
151e23c7e
hex151c505

22136069 has 4 divisors (see below), whose sum is σ = 22355340. Its totient is φ = 21916800.

The previous prime is 22136029. The next prime is 22136071. The reversal of 22136069 is 96063122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20367169 + 1768900 = 4513^2 + 1330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22136069 is a prime.

It is a super-2 number, since 2×221360692 = 980011101545522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136029) 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, 109484 + ... + 109685.

It is an arithmetic number, because the mean of its divisors is an integer number (5588835).

Almost surely, 222136069 is an apocalyptic number.

It is an amenable number.

22136069 is a deficient number, since it is larger than the sum of its proper divisors (219271).

22136069 is a wasteful number, since it uses less digits than its factorization.

22136069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219270.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22136069 is about 4704.8984048542. The cubic root of 22136069 is about 280.7804290235.

The spelling of 22136069 in words is "twenty-two million, one hundred thirty-six thousand, sixty-nine".

Divisors: 1 101 219169 22136069