222072542 has 8 divisors (see below), whose sum is σ = 333178032. Its totient is φ = 111013200.

The previous prime is 222072481. The next prime is 222072563. The reversal of 222072542 is 245270222.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567 + ... + 21797.

It is an arithmetic number, because the mean of its divisors is an integer number (41647254).

Almost surely, 2^222072542 is an apocalyptic number.

222072542 is a deficient number, since it is larger than the sum of its proper divisors (111105490).

222072542 is a wasteful number, since it uses less digits than its factorization.

222072542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23074.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 222072542 is about 14902.0985770461. The cubic root of 222072542 is about 605.5708402256.

The spelling of 222072542 in words is "two hundred twenty-two million, seventy-two thousand, five hundred forty-two".