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22120441 = 73160063
BaseRepresentation
bin101010001100…
…0011111111001
31112121211112121
41110120133321
521130323231
62110041241
7356010040
oct124303771
945554477
1022120441
1111539462
1274a9221
134776625
142d1b557
151e1e311
hex15187f9

22120441 has 4 divisors (see below), whose sum is σ = 25280512. Its totient is φ = 18960372.

The previous prime is 22120433. The next prime is 22120459. The reversal of 22120441 is 14402122.

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 not a de Polignac number, because 22120441 - 23 = 22120433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120741) 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, 1580025 + ... + 1580038.

It is an arithmetic number, because the mean of its divisors is an integer number (6320128).

Almost surely, 222120441 is an apocalyptic number.

It is an amenable number.

22120441 is a deficient number, since it is larger than the sum of its proper divisors (3160071).

22120441 is an equidigital number, since it uses as much as digits as its factorization.

22120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160070.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22120441 is about 4703.2372893572. The cubic root of 22120441 is about 280.7143367467.

Adding to 22120441 its reverse (14402122), we get a palindrome (36522563).

The spelling of 22120441 in words is "twenty-two million, one hundred twenty thousand, four hundred forty-one".

Divisors: 1 7 3160063 22120441