19114220 has 12 divisors (see below), whose sum is σ = 40139904. Its totient is φ = 7645680.

The previous prime is 19114217. The next prime is 19114223. The reversal of 19114220 is 2241191.

It is an interprime number because it is at equal distance from previous prime (19114217) and next prime (19114223).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 955711 = 19114220 / (1 + 9 + 1 + 1 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 19114192 and 19114201.

It is not an unprimeable number, because it can be changed into a prime (19114223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477836 + ... + 477875.

It is an arithmetic number, because the mean of its divisors is an integer number (3344992).

Almost surely, 2^19114220 is an apocalyptic number.

19114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19114220 is an abundant number, since it is smaller than the sum of its proper divisors (21025684).

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

19114220 is a wasteful number, since it uses less digits than its factorization.

19114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955720 (or 955718 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 19114220 is about 4371.9812442416. The cubic root of 19114220 is about 267.3738071913.

The spelling of 19114220 in words is "nineteen million, one hundred fourteen thousand, two hundred twenty".