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22320141 = 37440047
BaseRepresentation
bin101010100100…
…1010000001101
31112222222110220
41111021100031
521203221031
62114221553
7360501204
oct125112015
945888426
1022320141
11116654a8
1275848b9
1348164ac
142d7023b
151e5d596
hex154940d

22320141 has 4 divisors (see below), whose sum is σ = 29760192. Its totient is φ = 14880092.

The previous prime is 22320131. The next prime is 22320187. The reversal of 22320141 is 14102322.

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 a de Polignac number, because none of the positive numbers 2k-22320141 is a prime.

It is a super-3 number, since 3×223201413 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22320141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320101) 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, 3720021 + ... + 3720026.

It is an arithmetic number, because the mean of its divisors is an integer number (7440048).

Almost surely, 222320141 is an apocalyptic number.

It is an amenable number.

22320141 is a deficient number, since it is larger than the sum of its proper divisors (7440051).

22320141 is an equidigital number, since it uses as much as digits as its factorization.

22320141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440050.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22320141 is about 4724.4196468984. The cubic root of 22320141 is about 281.5565562083.

Adding to 22320141 its reverse (14102322), we get a palindrome (36422463).

The spelling of 22320141 in words is "twenty-two million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 7440047 22320141