Search a number
-
+
1220220000022 = 21711633564497
BaseRepresentation
bin10001110000011010110…
…001111001011100010110
311022122121020012112112011
4101300122301321130112
5124443002310000042
62332321125214434
7154105121603302
oct21603261713426
94278536175464
101220220000022
11430546419411
121785a126141a
138b0b273006a
14430b7b1ad02
1521b19e11a17
hex11c1ac79716

1220220000022 has 8 divisors (see below), whose sum is σ = 1830341207016. Its totient is φ = 610106264352.

The previous prime is 1220219999983. The next prime is 1220220000023. The reversal of 1220220000022 is 2200000220221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220219999957 and 1220220000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220220000023) 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, 1439923 + ... + 2124574.

It is an arithmetic number, because the mean of its divisors is an integer number (228792650877).

Almost surely, 21220220000022 is an apocalyptic number.

1220220000022 is a deficient number, since it is larger than the sum of its proper divisors (610121206994).

1220220000022 is a wasteful number, since it uses less digits than its factorization.

1220220000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735662.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1220220000022 its reverse (2200000220221), we get a palindrome (3420220220243).

The spelling of 1220220000022 in words is "one trillion, two hundred twenty billion, two hundred twenty million, twenty-two", and thus it is an aban number.

Divisors: 1 2 171163 342326 3564497 7128994 610110000011 1220220000022