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422401400233 = 2318365278271
BaseRepresentation
bin1100010010110010001…
…01011101110110101001
31111101021212202102001221
412021121011131312221
523410034224301413
6522014251542041
742342333442531
oct6113105356651
91441255672057
10422401400233
1115315963aa0a
1269a4545a921
1330aa86a2057
14166313904c1
15aec33b568d
hex625915dda9

422401400233 has 4 divisors (see below), whose sum is σ = 440766678528. Its totient is φ = 404036121940.

The previous prime is 422401400231. The next prime is 422401400299. The reversal of 422401400233 is 332004104224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422401400233 - 21 = 422401400231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422401400198 and 422401400207.

It is not an unprimeable number, because it can be changed into a prime (422401400231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9182639113 + ... + 9182639158.

It is an arithmetic number, because the mean of its divisors is an integer number (110191669632).

Almost surely, 2422401400233 is an apocalyptic number.

It is an amenable number.

422401400233 is a deficient number, since it is larger than the sum of its proper divisors (18365278295).

422401400233 is a wasteful number, since it uses less digits than its factorization.

422401400233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365278294.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 422401400233 its reverse (332004104224), we get a palindrome (754405504457).

The spelling of 422401400233 in words is "four hundred twenty-two billion, four hundred one million, four hundred thousand, two hundred thirty-three".

Divisors: 1 23 18365278271 422401400233