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2122444441 = 131711038707
BaseRepresentation
bin111111010000001…
…1110111010011001
312110220202100102101
41332200132322121
513321321210231
6550335203401
7103411323445
oct17640367231
95426670371
102122444441
1199a078a17
124b2976561
1327a948ab0
14161c4d825
15c64ec661
hex7e81ee99

2122444441 has 16 divisors (see below), whose sum is σ = 2422635264. Its totient is φ = 1842050304.

The previous prime is 2122444433. The next prime is 2122444463. The reversal of 2122444441 is 1444442212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2122444441 - 23 = 2122444433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122444741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239410 + ... + 248116.

It is an arithmetic number, because the mean of its divisors is an integer number (151414704).

Almost surely, 22122444441 is an apocalyptic number.

It is an amenable number.

2122444441 is a deficient number, since it is larger than the sum of its proper divisors (300190823).

2122444441 is a wasteful number, since it uses less digits than its factorization.

2122444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840.

The product of its digits is 8192, while the sum is 28.

The square root of 2122444441 is about 46069.9950184499. The cubic root of 2122444441 is about 1285.1252111937.

Adding to 2122444441 its reverse (1444442212), we get a palindrome (3566886653).

The spelling of 2122444441 in words is "two billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred forty-one".

Divisors: 1 13 17 221 1103 8707 14339 18751 113191 148019 243763 1924247 9603821 124849673 163264957 2122444441