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22027141 = 42152321
BaseRepresentation
bin101010000000…
…1101110000101
31112110002120001
41110001232011
521114332031
62104041301
7355141033
oct124015605
945402501
1022027141
1111485354
127463231
134743016
142cd5553
151e01861
hex1501b85

22027141 has 4 divisors (see below), whose sum is σ = 22079884. Its totient is φ = 21974400.

The previous prime is 22027139. The next prime is 22027147. The reversal of 22027141 is 14172022.

It is a happy number.

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 2090916 + 19936225 = 1446^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 22027141 - 21 = 22027139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027147) 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, 25740 + ... + 26581.

It is an arithmetic number, because the mean of its divisors is an integer number (5519971).

Almost surely, 222027141 is an apocalyptic number.

It is an amenable number.

22027141 is a deficient number, since it is larger than the sum of its proper divisors (52743).

22027141 is an equidigital number, since it uses as much as digits as its factorization.

22027141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52742.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 22027141 is about 4693.3081083602. The cubic root of 22027141 is about 280.3191132125.

Adding to 22027141 its reverse (14172022), we get a palindrome (36199163).

The spelling of 22027141 in words is "twenty-two million, twenty-seven thousand, one hundred forty-one".

Divisors: 1 421 52321 22027141