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22914949 is a prime number
BaseRepresentation
bin101011101101…
…0011110000101
31121010012101211
41113122132011
521331234244
62135051421
7365526301
oct127323605
947105354
1022914949
1111a31382
127810b71
134994155
143086d01
152029934
hex15da785

22914949 has 2 divisors, whose sum is σ = 22914950. Its totient is φ = 22914948.

The previous prime is 22914937. The next prime is 22914967. The reversal of 22914949 is 94941922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22137025 + 777924 = 4705^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 22914949 - 25 = 22914917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22914149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11457474 + 11457475.

It is an arithmetic number, because the mean of its divisors is an integer number (11457475).

Almost surely, 222914949 is an apocalyptic number.

It is an amenable number.

22914949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22914949 is an equidigital number, since it uses as much as digits as its factorization.

22914949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 22914949 is about 4786.9561309876. The cubic root of 22914949 is about 284.0357233711.

The spelling of 22914949 in words is "twenty-two million, nine hundred fourteen thousand, nine hundred forty-nine".