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22402121033 = 157216166029
BaseRepresentation
bin10100110111010001…
…010011110101001001
32010211020112122211102
4110313101103311021
5331334420333113
614142535111145
71422100613135
oct246721236511
963736478742
1022402121033
119556460116
1244125124b5
132160256b26
1411273383c5
158b1ab0758
hex537453d49

22402121033 has 8 divisors (see below), whose sum is σ = 22555583880. Its totient is φ = 22248794880.

The previous prime is 22402121029. The next prime is 22402121101. The reversal of 22402121033 is 33012120422.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 22401707584 = 643^2 + 149672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22402121033 - 22 = 22402121029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22402120996 and 22402121014.

It is not an unprimeable number, because it can be changed into a prime (22402121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306263 + ... + 372291.

It is an arithmetic number, because the mean of its divisors is an integer number (2819447985).

Almost surely, 222402121033 is an apocalyptic number.

It is an amenable number.

22402121033 is a deficient number, since it is larger than the sum of its proper divisors (153462847).

22402121033 is a wasteful number, since it uses less digits than its factorization.

22402121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68347.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22402121033 its reverse (33012120422), we get a palindrome (55414241455).

The spelling of 22402121033 in words is "twenty-two billion, four hundred two million, one hundred twenty-one thousand, thirty-three".

Divisors: 1 157 2161 66029 339277 10366553 142688669 22402121033