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2122522401 = 33203220889
BaseRepresentation
bin111111010000011…
…0001111100100001
312110220220022100210
41332200301330201
513321331204101
6550341004333
7103412066646
oct17640617441
95426808323
102122522401
1199a12154a
124b29b36a9
1327a97541c
14161c6ddcd
15c65157d6
hex7e831f21

2122522401 has 8 divisors (see below), whose sum is σ = 2830926240. Its totient is φ = 1414566752.

The previous prime is 2122522387. The next prime is 2122522411. The reversal of 2122522401 is 1042252212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122522401 - 210 = 2122521377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122522411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100836 + ... + 120053.

It is an arithmetic number, because the mean of its divisors is an integer number (353865780).

Almost surely, 22122522401 is an apocalyptic number.

It is an amenable number.

2122522401 is a deficient number, since it is larger than the sum of its proper divisors (708403839).

2122522401 is a wasteful number, since it uses less digits than its factorization.

2122522401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224095.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122522401 is about 46070.8411145271. The cubic root of 2122522401 is about 1285.1409457453.

Adding to 2122522401 its reverse (1042252212), we get a palindrome (3164774613).

The spelling of 2122522401 in words is "two billion, one hundred twenty-two million, five hundred twenty-two thousand, four hundred one".

Divisors: 1 3 3203 9609 220889 662667 707507467 2122522401