Search a number
-
+
22420660044 = 2236140917487
BaseRepresentation
bin10100111000011000…
…000001111101001100
32010212112102112120110
4110320120001331030
5331404142110134
614144440320020
71422414315546
oct247030017514
963775375513
1022420660044
119565972812
124418773010
132164048263
1411299a2696
158b35237e9
hex538601f4c

22420660044 has 48 divisors (see below), whose sum is σ = 53192595456. Its totient is φ = 7348257600.

The previous prime is 22420660021. The next prime is 22420660049. The reversal of 22420660044 is 44006602422.

It is a junction number, because it is equal to n+sod(n) for n = 22420659993 and 22420660020.

It is not an unprimeable number, because it can be changed into a prime (22420660049) 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, 2990869 + ... + 2998355.

It is an arithmetic number, because the mean of its divisors is an integer number (1108179072).

Almost surely, 222420660044 is an apocalyptic number.

It is an amenable number.

22420660044 is an abundant number, since it is smaller than the sum of its proper divisors (30771935412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22420660044 is a wasteful number, since it uses less digits than its factorization.

22420660044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646 (or 11644 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22420660044 in words is "twenty-two billion, four hundred twenty million, six hundred sixty thousand, forty-four".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 4091 7487 8182 12273 14974 16364 22461 24546 29948 44922 49092 89844 249551 456707 499102 748653 913414 998204 1370121 1497306 1826828 2740242 2994612 5480484 30629317 61258634 91887951 122517268 183775902 367551804 1868388337 3736776674 5605165011 7473553348 11210330022 22420660044