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22814425 = 521753681
BaseRepresentation
bin101011100000…
…1111011011001
31120221002111201
41113001323121
521320030200
62132554201
7364630234
oct127017331
946832451
1022814425
11119728a7
127782961
13495a47a
14305c41b
152009c6a
hex15c1ed9

22814425 has 12 divisors (see below), whose sum is σ = 29954556. Its totient is φ = 17177600.

The previous prime is 22814423. The next prime is 22814437. The reversal of 22814425 is 52441822.

It can be written as a sum of positive squares in 6 ways, for example, as 51984 + 22762441 = 228^2 + 4771^2 .

It is not a de Polignac number, because 22814425 - 21 = 22814423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22814393 and 22814402.

It is not an unprimeable number, because it can be changed into a prime (22814423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26416 + ... + 27265.

It is an arithmetic number, because the mean of its divisors is an integer number (2496213).

Almost surely, 222814425 is an apocalyptic number.

22814425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22814425 is a deficient number, since it is larger than the sum of its proper divisors (7140131).

22814425 is a wasteful number, since it uses less digits than its factorization.

22814425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53708 (or 53703 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 22814425 is about 4776.4448075949. Note that the first 3 decimals coincide. The cubic root of 22814425 is about 283.6197756764.

The spelling of 22814425 in words is "twenty-two million, eight hundred fourteen thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 53681 268405 912577 1342025 4562885 22814425