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22210000037 = 100922011893
BaseRepresentation
bin10100101011110100…
…011011010010100101
32010022212000220100222
4110223310123102211
5330441230000122
614111513214125
71414245612461
oct245364332245
963285026328
1022210000037
119467a69835
12437a101345
13212c4cab74
141109a074a1
1589ecb0b42
hex52bd1b4a5

22210000037 has 4 divisors (see below), whose sum is σ = 22232012940. Its totient is φ = 22187987136.

The previous prime is 22210000009. The next prime is 22210000051. The reversal of 22210000037 is 73000001222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15078366436 + 7131633601 = 122794^2 + 84449^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210000037 - 28 = 22209999781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210000097) 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, 11004938 + ... + 11006955.

It is an arithmetic number, because the mean of its divisors is an integer number (5558003235).

Almost surely, 222210000037 is an apocalyptic number.

It is an amenable number.

22210000037 is a deficient number, since it is larger than the sum of its proper divisors (22012903).

22210000037 is a wasteful number, since it uses less digits than its factorization.

22210000037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012902.

The product of its (nonzero) digits is 168, while the sum is 17.

Adding to 22210000037 its reverse (73000001222), we get a palindrome (95210001259).

The spelling of 22210000037 in words is "twenty-two billion, two hundred ten million, thirty-seven", and thus it is an aban number.

Divisors: 1 1009 22011893 22210000037