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22957469 is a prime number
BaseRepresentation
bin101011110010…
…0110110011101
31121012100201122
41113210312131
521334114334
62140020325
7366064253
oct127446635
947170648
1022957469
1111a60317
1278316a5
1349aa602
1430985d3
15203732e
hex15e4d9d

22957469 has 2 divisors, whose sum is σ = 22957470. Its totient is φ = 22957468.

The previous prime is 22957447. The next prime is 22957477. The reversal of 22957469 is 96475922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18705625 + 4251844 = 4325^2 + 2062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22957469 is a prime.

It is a super-2 number, since 2×229574692 = 1054090765771922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22957169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11478734 + 11478735.

It is an arithmetic number, because the mean of its divisors is an integer number (11478735).

Almost surely, 222957469 is an apocalyptic number.

It is an amenable number.

22957469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22957469 is an equidigital number, since it uses as much as digits as its factorization.

22957469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 22957469 is about 4791.3953082583. The cubic root of 22957469 is about 284.2112963369.

The spelling of 22957469 in words is "twenty-two million, nine hundred fifty-seven thousand, four hundred sixty-nine".