38227464 has 160 divisors (see below), whose sum is σ = 121271040. Its totient is φ = 11145600.

The previous prime is 38227463. The next prime is 38227477. The reversal of 38227464 is 46472283.

38227464 is a `hidden beast` number, since 382 + 274 + 6 + 4 = 666.

It is a super-2 number, since 2×38227464² = 2922678007742592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38227463) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 220882 + ... + 221054.

It is an arithmetic number, because the mean of its divisors is an integer number (757944).

Almost surely, 2^38227464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38227464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60635520).

38227464 is an abundant number, since it is smaller than the sum of its proper divisors (83043576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38227464 is a wasteful number, since it uses less digits than its factorization.

38227464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 220 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 38227464 is about 6182.8362423729. The cubic root of 38227464 is about 336.8670210017.

The spelling of 38227464 in words is "thirty-eight million, two hundred twenty-seven thousand, four hundred sixty-four".