402211982 has 4 divisors (see below), whose sum is σ = 603317976. Its totient is φ = 201105990.

The previous prime is 402211919. The next prime is 402212003. The reversal of 402211982 is 289112204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100552994 + ... + 100552997.

It is an arithmetic number, because the mean of its divisors is an integer number (150829494).

Almost surely, 2^402211982 is an apocalyptic number.

402211982 is a deficient number, since it is larger than the sum of its proper divisors (201105994).

402211982 is a wasteful number, since it uses less digits than its factorization.

402211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201105993.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 402211982 is about 20055.2233096518. The cubic root of 402211982 is about 738.1619724146.

The spelling of 402211982 in words is "four hundred two million, two hundred eleven thousand, nine hundred eighty-two".