64401022 has 8 divisors (see below), whose sum is σ = 110401776. Its totient is φ = 27600432.

The previous prime is 64401017. The next prime is 64401031. The reversal of 64401022 is 22010446.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300023 + ... + 2300050.

It is an arithmetic number, because the mean of its divisors is an integer number (13800222).

Almost surely, 2^64401022 is an apocalyptic number.

64401022 is a deficient number, since it is larger than the sum of its proper divisors (46000754).

64401022 is a wasteful number, since it uses less digits than its factorization.

64401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600082.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 64401022 is about 8025.0247351644. The cubic root of 64401022 is about 400.8337235553.

Adding to 64401022 its reverse (22010446), we get a palindrome (86411468).

The spelling of 64401022 in words is "sixty-four million, four hundred one thousand, twenty-two".