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33221021230 = 257614365443
BaseRepresentation
bin11110111100001000…
…001000111000101110
310011202020012201211201
4132330020020320232
51021014040134410
623132253440114
72254151010205
oct367410107056
9104666181751
1033221021230
11130a8444a51
1265317a003a
1331957b3b17
14187214623c
15ce67ca83a
hex7bc208e2e

33221021230 has 16 divisors (see below), whose sum is σ = 59876429904. Its totient is φ = 13270943680.

The previous prime is 33221021173. The next prime is 33221021231. The reversal of 33221021230 is 3212012233.

It is a super-2 number, since 2×332210212302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221021198 and 33221021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175112 + ... + 2190331.

It is an arithmetic number, because the mean of its divisors is an integer number (3742276869).

Almost surely, 233221021230 is an apocalyptic number.

33221021230 is a deficient number, since it is larger than the sum of its proper divisors (26655408674).

33221021230 is a wasteful number, since it uses less digits than its factorization.

33221021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366211.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33221021230 its reverse (3212012233), we get a palindrome (36433033463).

The spelling of 33221021230 in words is "thirty-three billion, two hundred twenty-one million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 761 1522 3805 7610 4365443 8730886 21827215 43654430 3322102123 6644204246 16610510615 33221021230