Search a number
222870038 = 21913144771
BaseRepresentation
bin11010100100010…
…11101000010110
3120112100222012212
431102023220112
5424023320123
634040513422
75344235606
oct1522135026
9515328185
10222870038
11104893616
126277b872
1337233b81
1421856c06
1514875878
hexd48ba16

222870038 has 16 divisors (see below), whose sum is σ = 354594240. Its totient is φ = 104761800.

The previous prime is 222870001. The next prime is 222870079. The reversal of 222870038 is 830078222.

It is a junction number, because it is equal to n+sod(n) for n = 222869986 and 222870013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17408 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (22162140).

Almost surely, 2222870038 is an apocalyptic number.

222870038 is a deficient number, since it is larger than the sum of its proper divisors (131724202).

222870038 is a wasteful number, since it uses less digits than its factorization.

222870038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44923.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 222870038 is about 14928.8324392767. The cubic root of 222870038 is about 606.2948729601.

The spelling of 222870038 in words is "two hundred twenty-two million, eight hundred seventy thousand, thirty-eight".