2270421 has 12 divisors (see below), whose sum is σ = 3293472. Its totient is φ = 1507176.

The previous prime is 2270413. The next prime is 2270423. The reversal of 2270421 is 1240722.

It is not a de Polignac number, because 2270421 - 2³ = 2270413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2270394 and 2270403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2760 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (274456).

2^2270421 is an apocalyptic number.

It is an amenable number.

2270421 is a deficient number, since it is larger than the sum of its proper divisors (1023051).

2270421 is a wasteful number, since it uses less digits than its factorization.

2270421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2270421 is about 1506.7916246117. The cubic root of 2270421 is about 131.4323072010.

The spelling of 2270421 in words is "two million, two hundred seventy thousand, four hundred twenty-one".