64022031 has 6 divisors (see below), whose sum is σ = 92476280. Its totient is φ = 42681348.

The previous prime is 64022029. The next prime is 64022069. The reversal of 64022031 is 13022046.

It is a happy number.

64022031 is a `hidden beast` number, since 640 + 2 + 20 + 3 + 1 = 666.

It is not a de Polignac number, because 64022031 - 2¹ = 64022029 is a prime.

It is a super-2 number, since 2×64022031² = 8197640906729922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64021995 and 64022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64022011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3556771 + ... + 3556788.

Almost surely, 2^64022031 is an apocalyptic number.

64022031 is a deficient number, since it is larger than the sum of its proper divisors (28454249).

64022031 is a wasteful number, since it uses less digits than its factorization.

64022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113565 (or 7113562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 64022031 is about 8001.3768190231. The cubic root of 64022031 is about 400.0458926511.

Adding to 64022031 its reverse (13022046), we get a palindrome (77044077).

The spelling of 64022031 in words is "sixty-four million, twenty-two thousand, thirty-one".