Search a number
-
+
122213524 = 22181116871
BaseRepresentation
bin1110100100011…
…01010010010100
322111222002102211
413102031102110
5222241313044
620043243204
73012540436
oct722152224
9274862384
10122213524
1162a93914
1234b19504
131c4205c4
1412334656
15aae1634
hex748d494

122213524 has 12 divisors (see below), whose sum is σ = 214004448. Its totient is φ = 61069400.

The previous prime is 122213519. The next prime is 122213537. The reversal of 122213524 is 425312221.

It is a happy number.

It is a super-2 number, since 2×1222135242 = 29872290896997152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122213495 and 122213504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (17833704).

Almost surely, 2122213524 is an apocalyptic number.

It is an amenable number.

122213524 is a deficient number, since it is larger than the sum of its proper divisors (91790924).

122213524 is a wasteful number, since it uses less digits than its factorization.

122213524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686 (or 18684 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 122213524 is about 11055.0225689503. The cubic root of 122213524 is about 496.2567446797.

Adding to 122213524 its reverse (425312221), we get a palindrome (547525745).

The spelling of 122213524 in words is "one hundred twenty-two million, two hundred thirteen thousand, five hundred twenty-four".

Divisors: 1 2 4 1811 3622 7244 16871 33742 67484 30553381 61106762 122213524