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1225533332 = 221718022549
BaseRepresentation
bin100100100001100…
…0010011110010100
310011102001112200102
41021003002132110
510002214031312
6321335233232
742240601322
oct11103023624
93142045612
101225533332
11579866371
122a2518818
13166b9436a
14b8a98d12
15728d0ec2
hex490c2794

1225533332 has 12 divisors (see below), whose sum is σ = 2270841300. Its totient is φ = 576721536.

The previous prime is 1225533313. The next prime is 1225533367. The reversal of 1225533332 is 2333355221.

It can be written as a sum of positive squares in 2 ways, for example, as 667912336 + 557620996 = 25844^2 + 23614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1225533295 and 1225533304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9011207 + ... + 9011342.

It is an arithmetic number, because the mean of its divisors is an integer number (189236775).

Almost surely, 21225533332 is an apocalyptic number.

It is an amenable number.

1225533332 is a deficient number, since it is larger than the sum of its proper divisors (1045307968).

1225533332 is a wasteful number, since it uses less digits than its factorization.

1225533332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18022570 (or 18022568 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 1225533332 is about 35007.6181994720. The cubic root of 1225533332 is about 1070.1427392771.

Adding to 1225533332 its reverse (2333355221), we get a palindrome (3558888553).

The spelling of 1225533332 in words is "one billion, two hundred twenty-five million, five hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 18022549 36045098 72090196 306383333 612766666 1225533332