Search a number
-
+
22022049 = 372936161
BaseRepresentation
bin101010000000…
…0011110100001
31112102211120110
41110000132201
521114201144
62104001533
7355120140
oct124003641
945384513
1022022049
1111481545
1274602a9
1347408ca
142cd3757
151e000b9
hex15007a1

22022049 has 16 divisors (see below), whose sum is σ = 34715520. Its totient is φ = 12149760.

The previous prime is 22022047. The next prime is 22022053. The reversal of 22022049 is 94022022.

It is not a de Polignac number, because 22022049 - 21 = 22022047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22022041) 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, 17472 + ... + 18689.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 222022049 is an apocalyptic number.

22022049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22022049 is a deficient number, since it is larger than the sum of its proper divisors (12693471).

22022049 is a wasteful number, since it uses less digits than its factorization.

22022049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36200.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22022049 is about 4692.7656024992. The cubic root of 22022049 is about 280.2975111515.

The spelling of 22022049 in words is "twenty-two million, twenty-two thousand, forty-nine".

Divisors: 1 3 7 21 29 87 203 609 36161 108483 253127 759381 1048669 3146007 7340683 22022049