787222043 has 4 divisors (see below), whose sum is σ = 833529240. Its totient is φ = 740914848.

The previous prime is 787222031. The next prime is 787222057. The reversal of 787222043 is 340222787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340222787 = 15803 ⋅21529.

It is a cyclic number.

It is not a de Polignac number, because 787222043 - 2⁶ = 787221979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 787221994 and 787222012.

It is not an unprimeable number, because it can be changed into a prime (787222243) 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, 23153573 + ... + 23153606.

It is an arithmetic number, because the mean of its divisors is an integer number (208382310).

Almost surely, 2^787222043 is an apocalyptic number.

787222043 is a deficient number, since it is larger than the sum of its proper divisors (46307197).

787222043 is a wasteful number, since it uses less digits than its factorization.

787222043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46307196.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 787222043 is about 28057.4774881849. The cubic root of 787222043 is about 923.3487142093.

The spelling of 787222043 in words is "seven hundred eighty-seven million, two hundred twenty-two thousand, forty-three".