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3223397 = 15121347
BaseRepresentation
bin1100010010111101100101
320001202200002
430102331211
51311122042
6153031045
736253442
oct14227545
96052602
103223397
111901871
1210b5485
1388b248
145dc9c9
1543a132
hex312f65

3223397 has 4 divisors (see below), whose sum is σ = 3244896. Its totient is φ = 3201900.

The previous prime is 3223391. The next prime is 3223399. The reversal of 3223397 is 7933223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7933223 = 8395581.

It is a cyclic number.

It is not a de Polignac number, because 3223397 - 26 = 3223333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223391) 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, 10523 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (811224).

Almost surely, 23223397 is an apocalyptic number.

It is an amenable number.

3223397 is a deficient number, since it is larger than the sum of its proper divisors (21499).

3223397 is a wasteful number, since it uses less digits than its factorization.

3223397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21498.

The product of its digits is 6804, while the sum is 29.

The square root of 3223397 is about 1795.3821320265. The cubic root of 3223397 is about 147.7195351960.

The spelling of 3223397 in words is "three million, two hundred twenty-three thousand, three hundred ninety-seven".

Divisors: 1 151 21347 3223397