62220421 has 16 divisors (see below), whose sum is σ = 68320960. Its totient is φ = 56453760.

The previous prime is 62220413. The next prime is 62220437. The reversal of 62220421 is 12402226.

62220421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 62220421 - 2³ = 62220413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62220461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46441 + ... + 47761.

It is an arithmetic number, because the mean of its divisors is an integer number (4270060).

Almost surely, 2^62220421 is an apocalyptic number.

It is an amenable number.

62220421 is a deficient number, since it is larger than the sum of its proper divisors (6100539).

62220421 is a wasteful number, since it uses less digits than its factorization.

62220421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 62220421 is about 7887.9922033430. The cubic root of 62220421 is about 396.2576397934.

Adding to 62220421 its reverse (12402226), we get a palindrome (74622647).

The spelling of 62220421 in words is "sixty-two million, two hundred twenty thousand, four hundred twenty-one".