61400422 has 8 divisors (see below), whose sum is σ = 92140200. Its totient is φ = 30687024.

The previous prime is 61400387. The next prime is 61400483. The reversal of 61400422 is 22400416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61400422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (11517525).

Almost surely, 2^61400422 is an apocalyptic number.

61400422 is a deficient number, since it is larger than the sum of its proper divisors (30739778).

61400422 is a wasteful number, since it uses less digits than its factorization.

61400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190.

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

The square root of 61400422 is about 7835.8421372562. The cubic root of 61400422 is about 394.5091847507.

Adding to 61400422 its reverse (22400416), we get a palindrome (83800838).

The spelling of 61400422 in words is "sixty-one million, four hundred thousand, four hundred twenty-two".