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2222469 = 32246941
BaseRepresentation
bin1000011110100110000101
311011220122200
420132212011
51032104334
6115345113
724614334
oct10364605
94156580
102222469
111288857
128b2199
135ca792
1441bd1b
152dd799
hex21e985

2222469 has 6 divisors (see below), whose sum is σ = 3210246. Its totient is φ = 1481640.

The previous prime is 2222443. The next prime is 2222477. The reversal of 2222469 is 9642222.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 191844 = 1425^2 + 438^2 .

It is a de Polignac number, because none of the positive numbers 2k-2222469 is a prime.

It is a super-2 number, since 2×22224692 = 9878736911922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 29 + 216 + 220 + 220 + 4 + 63 + 95 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123462 + ... + 123479.

It is an arithmetic number, because the mean of its divisors is an integer number (535041).

22222469 is an apocalyptic number.

It is an amenable number.

2222469 is a deficient number, since it is larger than the sum of its proper divisors (987777).

2222469 is a wasteful number, since it uses less digits than its factorization.

2222469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246947 (or 246944 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2222469 is about 1490.7947544850. The cubic root of 2222469 is about 130.5004183718.

The spelling of 2222469 in words is "two million, two hundred twenty-two thousand, four hundred sixty-nine".

Divisors: 1 3 9 246941 740823 2222469