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22157053 is a prime number
BaseRepresentation
bin101010010000…
…1011011111101
31112200200202121
41110201123331
521133011203
62110522541
7356221552
oct124413375
945620677
1022157053
1111563a16
127506451
13478a1a9
142d2aa29
151e2a0bd
hex15216fd

22157053 has 2 divisors, whose sum is σ = 22157054. Its totient is φ = 22157052.

The previous prime is 22157011. The next prime is 22157063. The reversal of 22157053 is 35075122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 85849 = 4698^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22157053 - 221 = 20059901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22157063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11078526 + 11078527.

It is an arithmetic number, because the mean of its divisors is an integer number (11078527).

Almost surely, 222157053 is an apocalyptic number.

It is an amenable number.

22157053 is a deficient number, since it is larger than the sum of its proper divisors (1).

22157053 is an equidigital number, since it uses as much as digits as its factorization.

22157053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 22157053 is about 4707.1278928876. The cubic root of 22157053 is about 280.8691234186.

The spelling of 22157053 in words is "twenty-two million, one hundred fifty-seven thousand, fifty-three".