219492042 has 32 divisors (see below), whose sum is σ = 547305984. Its totient is φ = 57010800.

The previous prime is 219492041. The next prime is 219492061. The reversal of 219492042 is 240294912.

219492042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 219491994 and 219492012.

It is not an unprimeable number, because it can be changed into a prime (219492041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237084 + ... + 238007.

It is an arithmetic number, because the mean of its divisors is an integer number (17103312).

Almost surely, 2^219492042 is an apocalyptic number.

219492042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

219492042 is an abundant number, since it is smaller than the sum of its proper divisors (327813942).

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

219492042 is a wasteful number, since it uses less digits than its factorization.

219492042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475114.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 219492042 is about 14815.2638181033. The cubic root of 219492042 is about 603.2161025617.

The spelling of 219492042 in words is "two hundred nineteen million, four hundred ninety-two thousand, forty-two".