38222649 has 12 divisors (see below), whose sum is σ = 55910400. Its totient is φ = 25158744.

The previous prime is 38222641. The next prime is 38222651. The reversal of 38222649 is 94622283.

38222649 is a `hidden beast` number, since 3 + 8 + 2 + 2 + 2 + 649 = 666.

It is not a de Polignac number, because 38222649 - 2³ = 38222641 is a prime.

It is a super-3 number, since 3×38222649³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38222641) 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, 26169 + ... + 27590.

It is an arithmetic number, because the mean of its divisors is an integer number (4659200).

Almost surely, 2^38222649 is an apocalyptic number.

It is an amenable number.

38222649 is a deficient number, since it is larger than the sum of its proper divisors (17687751).

38222649 is a wasteful number, since it uses less digits than its factorization.

38222649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53844 (or 53841 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 38222649 is about 6182.4468457076. The cubic root of 38222649 is about 336.8528768704.

The spelling of 38222649 in words is "thirty-eight million, two hundred twenty-two thousand, six hundred forty-nine".