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1669422 = 23278237
BaseRepresentation
bin110010111100100101110
310010211000110
412113210232
5411410142
655440450
720122056
oct6274456
93124013
101669422
11a40297
12686126
13465b31
14316566
1522e99c
hex19792e

1669422 has 8 divisors (see below), whose sum is σ = 3338856. Its totient is φ = 556472.

The previous prime is 1669399. The next prime is 1669427. The reversal of 1669422 is 2249661.

It is a sphenic number, since it is the product of 3 distinct primes.

1669422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1669422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139113 + ... + 139124.

It is an arithmetic number, because the mean of its divisors is an integer number (417357).

21669422 is an apocalyptic number.

1669422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1669422 is a wasteful number, since it uses less digits than its factorization.

1669422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278242.

The product of its digits is 5184, while the sum is 30.

The square root of 1669422 is about 1292.0611440640. The cubic root of 1669422 is about 118.6284103560.

The spelling of 1669422 in words is "one million, six hundred sixty-nine thousand, four hundred twenty-two".

Divisors: 1 2 3 6 278237 556474 834711 1669422