62220009 has 4 divisors (see below), whose sum is σ = 82960016. Its totient is φ = 41480004.

The previous prime is 62219959. The next prime is 62220013. The reversal of 62220009 is 90002226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 62220009 - 2⁹ = 62219497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62220029) 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, 10369999 + ... + 10370004.

It is an arithmetic number, because the mean of its divisors is an integer number (20740004).

Almost surely, 2^62220009 is an apocalyptic number.

It is an amenable number.

62220009 is a deficient number, since it is larger than the sum of its proper divisors (20740007).

62220009 is a wasteful number, since it uses less digits than its factorization.

62220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740006.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 62220009 is about 7887.9660876553. The cubic root of 62220009 is about 396.2567651689.

The spelling of 62220009 in words is "sixty-two million, two hundred twenty thousand, nine".