2243992542 has 32 divisors (see below), whose sum is σ = 4969067904. Its totient is φ = 669847200.

The previous prime is 2243992523. The next prime is 2243992547. The reversal of 2243992542 is 2452993422.

2243992542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2243992494 and 2243992503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243992547) 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, 249309 + ... + 258152.

It is an arithmetic number, because the mean of its divisors is an integer number (155283372).

Almost surely, 2^2243992542 is an apocalyptic number.

2243992542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2243992542 is an abundant number, since it is smaller than the sum of its proper divisors (2725075362).

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

2243992542 is a wasteful number, since it uses less digits than its factorization.

2243992542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507544.

The product of its digits is 311040, while the sum is 42.

The square root of 2243992542 is about 47370.7984099909. The cubic root of 2243992542 is about 1309.2034358650.

The spelling of 2243992542 in words is "two billion, two hundred forty-three million, nine hundred ninety-two thousand, five hundred forty-two".