61430022 has 32 divisors (see below), whose sum is σ = 138556800. Its totient is φ = 20169864.

The previous prime is 61429997. The next prime is 61430053. The reversal of 61430022 is 22003416.

It is a happy number.

61430022 is a `hidden beast` number, since 614 + 30 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 61429977 and 61430004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (4329900).

Almost surely, 2^61430022 is an apocalyptic number.

61430022 is an abundant number, since it is smaller than the sum of its proper divisors (77126778).

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

61430022 is a wasteful number, since it uses less digits than its factorization.

61430022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17057 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61430022 is about 7837.7306664621. The cubic root of 61430022 is about 394.5725697433.

Adding to 61430022 its reverse (22003416), we get a palindrome (83433438).

The spelling of 61430022 in words is "sixty-one million, four hundred thirty thousand, twenty-two".