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25222005230 = 252719307013
BaseRepresentation
bin10111011111010110…
…010100000111101110
32102002202122121201212
4113133112110013232
5403123313131410
615330431034422
71552011335642
oct273726240756
972082577655
1025222005230
11a773189924
124a7a96ba12
1324bc526866
141313a56c22
159c9426b05
hex5df5941ee

25222005230 has 16 divisors (see below), whose sum is σ = 45567140544. Its totient is φ = 10051572960.

The previous prime is 25222005227. The next prime is 25222005257. The reversal of 25222005230 is 3250022252.

It is a happy number.

It is a super-2 number, since 2×252220052302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25222005196 and 25222005205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4650797 + ... + 4656216.

It is an arithmetic number, because the mean of its divisors is an integer number (2847946284).

Almost surely, 225222005230 is an apocalyptic number.

25222005230 is a deficient number, since it is larger than the sum of its proper divisors (20345135314).

25222005230 is a wasteful number, since it uses less digits than its factorization.

25222005230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307291.

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 25222005230 its reverse (3250022252), we get a palindrome (28472027482).

The spelling of 25222005230 in words is "twenty-five billion, two hundred twenty-two million, five thousand, two hundred thirty".

Divisors: 1 2 5 10 271 542 1355 2710 9307013 18614026 46535065 93070130 2522200523 5044401046 12611002615 25222005230