62220061 has 4 divisors (see below), whose sum is σ = 63240124. Its totient is φ = 61200000.

The previous prime is 62220029. The next prime is 62220071. The reversal of 62220061 is 16002226.

62220061 = T₆₄₃₉ + T₆₄₄₀ + T₆₄₄₁.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16048036 + 46172025 = 4006^2 + 6795^2 .

It is a cyclic number.

It is not a de Polignac number, because 62220061 - 2⁵ = 62220029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62220071) 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, 509940 + ... + 510061.

It is an arithmetic number, because the mean of its divisors is an integer number (15810031).

Almost surely, 2^62220061 is an apocalyptic number.

62220061 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

62220061 is the 6441-st centered triangular number.

It is an amenable number.

62220061 is a deficient number, since it is larger than the sum of its proper divisors (1020063).

62220061 is a wasteful number, since it uses less digits than its factorization.

62220061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020062.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 62220061 is about 7887.9693838148. The cubic root of 62220061 is about 396.2568755586.

Adding to 62220061 its reverse (16002226), we get a palindrome (78222287).

The spelling of 62220061 in words is "sixty-two million, two hundred twenty thousand, sixty-one".