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220801422 = 23374332297
BaseRepresentation
bin11010010100100…
…10100110001110
3120101110212121110
431022102212032
5423011121142
633524312450
75320531632
oct1512224616
9511425543
10220801422
11103700416
1261b42726
133698b43a
1421478dc2
15145b799c
hexd29298e

220801422 has 32 divisors (see below), whose sum is σ = 454783392. Its totient is φ = 71414784.

The previous prime is 220801379. The next prime is 220801429. The reversal of 220801422 is 224108022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220801429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94978 + ... + 97274.

It is an arithmetic number, because the mean of its divisors is an integer number (14211981).

Almost surely, 2220801422 is an apocalyptic number.

220801422 is an abundant number, since it is smaller than the sum of its proper divisors (233981970).

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

220801422 is a wasteful number, since it uses less digits than its factorization.

220801422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 220801422 is about 14859.3883454199. The cubic root of 220801422 is about 604.4132206629.

Adding to 220801422 its reverse (224108022), we get a palindrome (444909444).

The spelling of 220801422 in words is "two hundred twenty million, eight hundred one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 433 866 1299 2297 2598 4594 6891 13782 16021 32042 48063 84989 96126 169978 254967 509934 994601 1989202 2983803 5967606 36800237 73600474 110400711 220801422