60221407 has 4 divisors (see below), whose sum is σ = 60245776. Its totient is φ = 60197040.

The previous prime is 60221401. The next prime is 60221411. The reversal of 60221407 is 70412206.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60221407 is a prime.

It is a super-2 number, since 2×60221407² = 7253235722119298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60221401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (15061444).

Almost surely, 2^60221407 is an apocalyptic number.

60221407 is a deficient number, since it is larger than the sum of its proper divisors (24369).

60221407 is a wasteful number, since it uses less digits than its factorization.

60221407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24368.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 60221407 is about 7760.2452925149. The cubic root of 60221407 is about 391.9677169548.

The spelling of 60221407 in words is "sixty million, two hundred twenty-one thousand, four hundred seven".