38422780 has 24 divisors (see below), whose sum is σ = 88023600. Its totient is φ = 13971840.

The previous prime is 38422777. The next prime is 38422789. The reversal of 38422780 is 8722483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38422789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87105 + ... + 87544.

It is an arithmetic number, because the mean of its divisors is an integer number (3667650).

Almost surely, 2^38422780 is an apocalyptic number.

It is an amenable number.

38422780 is an abundant number, since it is smaller than the sum of its proper divisors (49600820).

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

38422780 is a wasteful number, since it uses less digits than its factorization.

38422780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174669 (or 174667 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 38422780 is about 6198.6111347624. The cubic root of 38422780 is about 337.4397661139.

The spelling of 38422780 in words is "thirty-eight million, four hundred twenty-two thousand, seven hundred eighty".