61222602 has 32 divisors (see below), whose sum is σ = 140216832. Its totient is φ = 17457264.

The previous prime is 61222597. The next prime is 61222607. The reversal of 61222602 is 20622216.

It is an interprime number because it is at equal distance from previous prime (61222597) and next prime (61222607).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (61222607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25873 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (4381776).

Almost surely, 2^61222602 is an apocalyptic number.

61222602 is an abundant number, since it is smaller than the sum of its proper divisors (78994230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61222602 is a wasteful number, since it uses less digits than its factorization.

61222602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61222602 is about 7824.4873314486. The cubic root of 61222602 is about 394.1279742667.

Adding to 61222602 its reverse (20622216), we get a palindrome (81844818).

The spelling of 61222602 in words is "sixty-one million, two hundred twenty-two thousand, six hundred two".