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401100222 = 23197944537
BaseRepresentation
bin10111111010000…
…100110110111110
31000221202000001210
4113322010312332
51310140201342
6103444545250
712640203255
oct2772046676
91027660053
10401100222
11196457596
12b23b2226
1365138313
143b3ad79c
152532e79c
hex17e84dbe

401100222 has 32 divisors (see below), whose sum is σ = 855129600. Its totient is φ = 125057088.

The previous prime is 401100211. The next prime is 401100269. The reversal of 401100222 is 222001104.

It is a junction number, because it is equal to n+sod(n) for n = 401100198 and 401100207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13263 + ... + 31274.

It is an arithmetic number, because the mean of its divisors is an integer number (26722800).

Almost surely, 2401100222 is an apocalyptic number.

401100222 is an abundant number, since it is smaller than the sum of its proper divisors (454029378).

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

401100222 is a wasteful number, since it uses less digits than its factorization.

401100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44640.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 401100222 is about 20027.4866620852. The cubic root of 401100222 is about 737.4812233848.

Adding to 401100222 its reverse (222001104), we get a palindrome (623101326).

The spelling of 401100222 in words is "four hundred one million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 79 114 158 237 474 1501 3002 4503 9006 44537 89074 133611 267222 846203 1692406 2538609 3518423 5077218 7036846 10555269 21110538 66850037 133700074 200550111 401100222