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2022148729 is a prime number
BaseRepresentation
bin111100010000111…
…1000101001111001
312012221000210120101
41320201320221321
513120132224404
6532353355401
7101052660226
oct17041705171
95187023511
102022148729
119484a52a7
12485268b61
13262c30813
141527c294d
15bc7da2a4
hex78878a79

2022148729 has 2 divisors, whose sum is σ = 2022148730. Its totient is φ = 2022148728.

The previous prime is 2022148703. The next prime is 2022148769. The reversal of 2022148729 is 9278412202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1953640000 + 68508729 = 44200^2 + 8277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022148729 - 221 = 2020051577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022148769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011074364 + 1011074365.

It is an arithmetic number, because the mean of its divisors is an integer number (1011074365).

Almost surely, 22022148729 is an apocalyptic number.

It is an amenable number.

2022148729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022148729 is an equidigital number, since it uses as much as digits as its factorization.

2022148729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2022148729 is about 44968.3080513377. The cubic root of 2022148729 is about 1264.5549276589.

The spelling of 2022148729 in words is "two billion, twenty-two million, one hundred forty-eight thousand, seven hundred twenty-nine".