Search a number
-
+
22401201405 = 3511135764857
BaseRepresentation
bin10100110111001101…
…110011010011111101
32010211011210221100010
4110313031303103331
5331334201421110
614142503253433
71422060033042
oct246715632375
963734727303
1022401201405
1195559921a0
12441214a279
13215ccc437b
1411271791c9
158b197d020
hex5373734fd

22401201405 has 16 divisors (see below), whose sum is σ = 39100279104. Its totient is φ = 10861188480.

The previous prime is 22401201337. The next prime is 22401201499. The reversal of 22401201405 is 50410210422.

It is not a de Polignac number, because 22401201405 - 28 = 22401201149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67882264 + ... + 67882593.

It is an arithmetic number, because the mean of its divisors is an integer number (2443767444).

Almost surely, 222401201405 is an apocalyptic number.

It is an amenable number.

22401201405 is a deficient number, since it is larger than the sum of its proper divisors (16699077699).

22401201405 is a wasteful number, since it uses less digits than its factorization.

22401201405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135764876.

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

Adding to 22401201405 its reverse (50410210422), we get a palindrome (72811411827).

The spelling of 22401201405 in words is "twenty-two billion, four hundred one million, two hundred one thousand, four hundred five".

Divisors: 1 3 5 11 15 33 55 165 135764857 407294571 678824285 1493413427 2036472855 4480240281 7467067135 22401201405