Search a number
-
+
222374964 = 22372647321
BaseRepresentation
bin11010100000100…
…10110000110100
3120111102211002210
431100102300310
5423411444324
634022133420
75340104340
oct1520226064
9514384083
10222374964
11104585669
1262581270
13370bc726
1421768620
15147c8d29
hexd412c34

222374964 has 24 divisors (see below), whose sum is σ = 593000128. Its totient is φ = 63535680.

The previous prime is 222374963. The next prime is 222374983. The reversal of 222374964 is 469473222.

It is a happy number.

It is a super-2 number, since 2×2223749642 = 98901249228002592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222374963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323577 + ... + 1323744.

Almost surely, 2222374964 is an apocalyptic number.

It is an amenable number.

222374964 is an abundant number, since it is smaller than the sum of its proper divisors (370625164).

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

222374964 is a wasteful number, since it uses less digits than its factorization.

222374964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647335 (or 2647333 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 222374964 is about 14912.2420849448. The cubic root of 222374964 is about 605.8456076093.

The spelling of 222374964 in words is "two hundred twenty-two million, three hundred seventy-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2647321 5294642 7941963 10589284 15883926 18531247 31767852 37062494 55593741 74124988 111187482 222374964