402422047 has 8 divisors (see below), whose sum is σ = 406120176. Its totient is φ = 398740032.

The previous prime is 402422029. The next prime is 402422123. The reversal of 402422047 is 740224204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 402422047 - 2¹⁵ = 402389279 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 (402422747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49323 + ... + 56899.

It is an arithmetic number, because the mean of its divisors is an integer number (50765022).

Almost surely, 2^402422047 is an apocalyptic number.

402422047 is a deficient number, since it is larger than the sum of its proper divisors (3698129).

402422047 is a wasteful number, since it uses less digits than its factorization.

402422047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 402422047 is about 20060.4597903438. The cubic root of 402422047 is about 738.2904577362.

The spelling of 402422047 in words is "four hundred two million, four hundred twenty-two thousand, forty-seven".