Search a number
-
+
22070472 = 2335317351
BaseRepresentation
bin101010000110…
…0010011001000
31112112021222220
41110030103020
521122223342
62105014040
7355411254
oct124142310
945467886
1022070472
1111504966
127484320
134759968
142d07264
151e0e5ec
hex150c4c8

22070472 has 32 divisors (see below), whose sum is σ = 56220480. Its totient is φ = 7217600.

The previous prime is 22070453. The next prime is 22070483. The reversal of 22070472 is 27407022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7404 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (1756890).

Almost surely, 222070472 is an apocalyptic number.

It is an amenable number.

22070472 is an abundant number, since it is smaller than the sum of its proper divisors (34150008).

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

22070472 is a wasteful number, since it uses less digits than its factorization.

22070472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17413 (or 17409 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 22070472 is about 4697.9220938623. The cubic root of 22070472 is about 280.5028040429.

Adding to 22070472 its reverse (27407022), we get a palindrome (49477494).

The spelling of 22070472 in words is "twenty-two million, seventy thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 17351 34702 52053 69404 104106 138808 208212 416424 919603 1839206 2758809 3678412 5517618 7356824 11035236 22070472