Search a number
-
+
22474427418 = 2322197756813
BaseRepresentation
bin10100111011100101…
…001000110000011010
32011000021121012112200
4110323211020300122
5332011423134133
614154040551030
71423636324002
oct247345106032
964007535480
1022474427418
119593256a63
124432782476
132172222381
141132b9b002
158b80e4913
hex53b948c1a

22474427418 has 24 divisors (see below), whose sum is σ = 48697665588. Its totient is φ = 7491003072.

The previous prime is 22474427389. The next prime is 22474427467. The reversal of 22474427418 is 81472447422.

It is a happy number.

22474427418 is a `hidden beast` number, since 224 + 7 + 4 + 4 + 2 + 7 + 418 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20230226289 + 2244201129 = 142233^2 + 47373^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367180 + ... + 423992.

Almost surely, 222474427418 is an apocalyptic number.

22474427418 is an abundant number, since it is smaller than the sum of its proper divisors (26223238170).

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

22474427418 is a wasteful number, since it uses less digits than its factorization.

22474427418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78798 (or 78795 counting only the distinct ones).

The product of its digits is 802816, while the sum is 45.

The spelling of 22474427418 in words is "twenty-two billion, four hundred seventy-four million, four hundred twenty-seven thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 21977 43954 56813 65931 113626 131862 170439 197793 340878 395586 511317 1022634 1248579301 2497158602 3745737903 7491475806 11237213709 22474427418