19227930 has 32 divisors (see below), whose sum is σ = 46341504. Its totient is φ = 5105856.

The previous prime is 19227919. The next prime is 19227941. The reversal of 19227930 is 3972291.

It is an interprime number because it is at equal distance from previous prime (19227919) and next prime (19227941).

It is a junction number, because it is equal to n+sod(n) for n = 19227891 and 19227900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6672 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (1448172).

Almost surely, 2^19227930 is an apocalyptic number.

19227930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19227930 is an abundant number, since it is smaller than the sum of its proper divisors (27113574).

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

19227930 is a wasteful number, since it uses less digits than its factorization.

19227930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 19227930 is about 4384.9663624708. The cubic root of 19227930 is about 267.9029592231.

The spelling of 19227930 in words is "nineteen million, two hundred twenty-seven thousand, nine hundred thirty".