Search a number
-
+
222400448 = 2631112097
BaseRepresentation
bin11010100000110…
…00111111000000
3120111111010001122
431100120333000
5423413303243
634022451412
75340241544
oct1520307700
9514433048
10222400448
111045a2826
1262593b68
13370cb1ca
1421773a24
15147d1668
hexd418fc0

222400448 has 28 divisors (see below), whose sum is σ = 455566272. Its totient is φ = 107612160.

The previous prime is 222400397. The next prime is 222400469. The reversal of 222400448 is 844004222.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 54065 + ... + 58032.

It is an arithmetic number, because the mean of its divisors is an integer number (16270224).

Almost surely, 2222400448 is an apocalyptic number.

It is an amenable number.

222400448 is an abundant number, since it is smaller than the sum of its proper divisors (233165824).

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

222400448 is a wasteful number, since it uses less digits than its factorization.

222400448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112140 (or 112130 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 222400448 is about 14913.0965262081. The cubic root of 222400448 is about 605.8687498723.

The spelling of 222400448 in words is "two hundred twenty-two million, four hundred thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 112097 224194 448388 896776 1793552 3475007 3587104 6950014 7174208 13900028 27800056 55600112 111200224 222400448