Search a number
-
+
22021022133 = 3211977227671
BaseRepresentation
bin10100100000100011…
…100010000110110101
32002211200102211102100
4110200203202012311
5330044340202013
614041042532313
71406462412465
oct244043420665
962750384370
1022021022133
119380324950
124326967099
1320cc302716
1410cc893ba5
1588d3d2473
hex5208e21b5

22021022133 has 24 divisors (see below), whose sum is σ = 34735461696. Its totient is φ = 13332355200.

The previous prime is 22021022129. The next prime is 22021022137. The reversal of 22021022133 is 33122012022.

It is an interprime number because it is at equal distance from previous prime (22021022129) and next prime (22021022137).

It is not a de Polignac number, because 22021022133 - 22 = 22021022129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021022137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17113 + ... + 210558.

It is an arithmetic number, because the mean of its divisors is an integer number (1447310904).

Almost surely, 222021022133 is an apocalyptic number.

It is an amenable number.

22021022133 is a deficient number, since it is larger than the sum of its proper divisors (12714439563).

22021022133 is a wasteful number, since it uses less digits than its factorization.

22021022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228665 (or 228662 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22021022133 its reverse (33122012022), we get a palindrome (55143034155).

The spelling of 22021022133 in words is "twenty-two billion, twenty-one million, twenty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 11 33 99 977 2931 8793 10747 32241 96723 227671 683013 2049039 2504381 7513143 22539429 222434567 667303701 2001911103 2446780237 7340340711 22021022133