3222427381 has 4 divisors (see below), whose sum is σ = 3236877952. Its totient is φ = 3207976812.

The previous prime is 3222427343. The next prime is 3222427387. The reversal of 3222427381 is 1837242223.

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.

It is a cyclic number.

It is not a de Polignac number, because 3222427381 - 2⁷ = 3222427253 is a prime.

It is a super-2 number, since 2×3222427381² = 20768076451637038322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222427387) 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, 7224951 + ... + 7225396.

It is an arithmetic number, because the mean of its divisors is an integer number (809219488).

Almost surely, 2^3222427381 is an apocalyptic number.

It is an amenable number.

3222427381 is a deficient number, since it is larger than the sum of its proper divisors (14450571).

3222427381 is a wasteful number, since it uses less digits than its factorization.

3222427381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14450570.

The product of its digits is 32256, while the sum is 34.

The square root of 3222427381 is about 56766.4282917289. The cubic root of 3222427381 is about 1477.0472204159.

The spelling of 3222427381 in words is "three billion, two hundred twenty-two million, four hundred twenty-seven thousand, three hundred eighty-one".