215422927046 has 8 divisors (see below), whose sum is σ = 326465673240. Its totient is φ = 106601035968.

The previous prime is 215422926959. The next prime is 215422927117. The reversal of 215422927046 is 640729224512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×215422927046² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215422926988 and 215422927006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555213536 + ... + 555213923.

It is an arithmetic number, because the mean of its divisors is an integer number (40808209155).

Almost surely, 2^215422927046 is an apocalyptic number.

215422927046 is a deficient number, since it is larger than the sum of its proper divisors (111042746194).

215422927046 is a wasteful number, since it uses less digits than its factorization.

215422927046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110427558.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 215422927046 in words is "two hundred fifteen billion, four hundred twenty-two million, nine hundred twenty-seven thousand, forty-six".